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“A real robot would have played better,” Grandpa added. He had already found out the truth about Ah Fu and its operator.

Grandpa kept on winning, and after a few games, his mood improved. Not only did his face glow, but he was also moving his head about and humming folk tunes. Tongtong also felt happy, and her earlier anger at Grandpa dissipated.

Only Ah Fu wasn’t so happy. “I think I need to find you a more challenging opponent,” he said.

When Tongtong returned home, she almost jumped out of her skin. Grandpa had turned into a monster!

He was now dressed in a thin, grey, long-sleeved bodysuit, and a pair of grey gloves. Many tiny lights shone all over the gloves. He wore a set of huge goggles over his face, and he waved his hands about and gestured in the air.

On the video wall in front of him appeared another man, but not Uncle Wang. This man was as old as Grandpa, with a full head of silver-white hair. He wasn’t wearing any goggles. In front of him was a Chinese Chess board.

“Tongtong, come say hi,” said Grandpa. “This is Grandpa Zhao.”

Grandpa Zhao was Grandpa’s friend from back when they were in the army together. He had just had a heart stent put in. Like Grandpa, he was bored, and his family also got their own Ah Fu. He was also a Chinese Chess enthusiast, and complained about the skill level of his Ah Fu all day.

Uncle Wang had the inspiration of mailing telepresence equipment to Grandpa and then teaching him how to use it. And within a few days, Grandpa was proficient enough to be able to remotely control Grandpa Zhao’s Ah Fu to play chess with him.

Not only could they play chess, but the two old men also got to chat with each other in their own native topolect. Grandpa became so joyous and excited that he seemed to Tongtong like a little kid.

“Watch this,” said Grandpa.

He waved his hands in the air gently, and through the video wall, Grandpa Zhao’s Ah Fu picked up the wooden chessboard, steady as you please, dexterously spun it around in the air, and set it back down without disturbing a piece.

Tongtong watched Grandpa’s hands without blinking.
Are these the same unsteady, jerky hands that always made it hard for Grandpa to do anything?
It was even more amazing than magic.

“Can I try?” she asked.

Grandpa took off the gloves and helped Tongtong put them on. The gloves were stretchy, and weren’t too loose on Tongtong’s small hands. Tongtong tried to wiggle her fingers, and the Ah Fu in the video wall wiggled its fingers, too. The gloves provided internal resistance that steadied and smoothed out Tongtong’s movements, and thus also the movements of Ah Fu.

Grandpa said, “Come, try shaking hands with Grandpa Zhao.”

In the video, a smiling Grandpa Zhao extended his hand. Tongtong carefully reached out and shook hands. She could feel the subtle, immediate pressure changes within the glove, as if she were really shaking a person’s hand—it even felt warm!
This is fantastic!

Using the gloves, she directed Ah Fu to touch the chessboard, the pieces, and the steaming cup of tea next to them. Her fingertips felt the sudden heat from the cup. Startled, her fingers let go, and the cup fell to the ground and broke. The chessboard was flipped over, and chess pieces rolled all over the place.

“Aiya! Careful, Tongtong!”

“No worries! No worries!” Grandpa Zhao tried to get up to retrieve the broom and dustpan, but Grandpa told him to remain seated. “Careful about your hands!” Grandpa said. “I’ll take care of it.” He put on the gloves and directed Grandpa Zhao’s Ah Fu to pick up the chess pieces one by one, and then swept the floor clean.

Grandpa wasn’t mad at Tongtong, and didn’t threaten to tell Dad about the accident she caused.

“She’s just a kid, a bit impatient,” he said to Grandpa Zhao. The two old men laughed.

Tongtong felt both relieved and a bit misunderstood.

Once again, Mom and Dad were arguing with Grandpa.

The argument went a bit differently from before. Grandpa was once again repeating over and over, “Don’t worry, eh!” But Mom’s tone grew more and more severe.

The actual point of the argument grew more confusing to Tongtong the more she listened. All she could make out was that it had something to do with Grandpa Zhao’s heart stent.

In the end, Mom said, “What do you mean? ‘Don’t worry’? What if another accident happens? Would you please stop causing more trouble?”

Grandpa got so mad that he shut himself in his room and refused to come out, even for dinner.

Mom and Dad called Uncle Wang on the videophone. Finally, Tongtong figured out what happened.

Grandpa Zhao was playing chess with Grandpa, but the game got him so excited that his heart gave out—apparently, the stent wasn’t put in perfectly. There had been no one else home at the time. Grandpa was the one who operated Ah Fu to give CPR to Grandpa Zhao, and also called an ambulance.

The emergency response team arrived in time and saved Grandpa Zhao’s life.

What no one could have predicted was that Grandpa suggested that he go to the hospital to care for Grandpa Zhao—no, he didn’t mean he’d go personally, but that they send Ah Fu over, and he’d operate Ah Fu from home.

But Grandpa himself needed a caretaker too. Who was supposed to care for the caretaker?

Further, Grandpa came up with the idea that when Grandpa Zhao recovered, he’d teach Grandpa Zhao how to operate the telepresence equipment. The two old men would be able to care for each other, and they would have no need of other caretakers.

Grandpa Zhao thought this was a great idea. But both families thought the plan absurd. Even Uncle Wang had to think about it for a while and then said, “Um . . . I have to report this situation to my supervisors.”

Tongtong thought hard about this. Playing chess through Ah Fu was simple to understand. But caring for each other through Ah Fu? The more she thought about it, the more complicated it seemed. She was sympathetic to Uncle Wang’s confusion.

Sigh, Grandpa is just like a little kid. He wouldn’t listen to Mom and Dad at all.

Grandpa now stayed in his room all the time. At first, Tongtong thought he was still mad at her parents. But then, she found that the situation had changed completely.

Grandpa got really busy. Once again, he started seeing patients. No, he didn’t go to the clinic; instead, using his telepresence kit, he was operating Ah Fus throughout the country and showing up in other elders’ homes. He would listen to their complaints, feel their pulse, examine them, and write out prescriptions. He also wanted to give acupuncture treatments through Ah Fus, and to practice this skill, he operated his own Ah Fu to stick needles in himself!

Uncle Wang told Tongtong that Grandpa’s innovation could transform the entire medical system. In the future, maybe patients no longer needed to go to the hospital and waste hours in waiting rooms. Doctors could just come to your home through an Ah Fu installed in each neighborhood.

Uncle Wang said that Guokr’s R&D department had formed a dedicated task force to develop a specialized, improved model of Ah Fu for such medical telepresence applications, and they invited Grandpa onboard as a consultant. So Grandpa got even busier.

Since Grandpa’s legs were not yet fully recovered, Uncle Wang was still caring for him. But they were working on developing a web-based system that would allow anyone with some idle time and interest in helping others to register to volunteer. Then the volunteers would be able to sign on to Ah Fus in homes across the country to take care of elders, children, patients, pets, and to help in other ways.

If the plan succeeded, it would be a step to bring about the kind of golden age envisioned by Confucius millennia ago: “And then men would care for all elders as if they were their own parents, love all children as if they were their own children. The aged would grow old and die in security; the youthful would have opportunities to contribute and prosper; and children would grow up under the guidance and protection of all. Widows, orphans, the disabled, the diseased—everyone would be cared for and loved.”

Of course, such a plan had its risks: privacy and security, misuse of telepresence by criminals, malfunctions and accidents, just for starters. But since technological change was already here, it was best to face the consequences and guide them to desirable ends.

There were also developments that no one had anticipated.

Uncle Wang showed Tongtong lots of web videos: Ah Fus were shown doing all kinds of interesting things: cooking, taking care of children, fixing the plumbing and electric systems around the house, gardening, driving, playing tennis, even teaching children the arts of
go
and calligraphy and seal carving and
erhu
playing . . .

All of these Ah Fus were operated by elders who needed caretakers themselves, too. Some of them could no longer move about easily, but still had sharp eyes and ears and minds; some could no longer remember things easily, but they could still replicate the skills they had perfected in their youth; and most of them really had few physical problems, but were depressed and lonely. But now, with Ah Fu, everyone was out and about,
doing
things.

No one had imagined that Ah Fu could be put to all these uses. No one had thought that men and women in their seventies and eighties could still be so creative and imaginative.

Tongtong was especially impressed by a traditional folk music orchestra made up of more than a dozen Ah Fus. They congregated around a pond in a park and played enthusiastically and loudly. According to Uncle Wang, this orchestra had become famous on the web. The operators behind the Ah Fus were men and women who had lost their eyesight, and so they called themselves “The Old Blinds.”

“Tongtong,” Uncle Wang said, “your grandfather has brought about a revolution.”

Tongtong remembered that Mom had often mentioned that Grandpa was an old revolutionary. “He’s been working for the revolution all his life; it’s time for him to take a break.” But wasn’t Grandpa a doctor? When did he participate in a “revolution”? And just what kind of work was “working for the revolution” anyway? And why did he have to do it all his life?

Tongtong couldn’t figure it out, but she thought “revolution” was a splendid thing. Grandpa now once again seemed like the Grandpa she had known.

Every day, Grandpa was full of energy and spirit. Whenever he had a few moments to himself, he preferred to sing a few lines of traditional folk opera:

Outside the camp, they’ve fired off the thundering cannon thrice,

And out of Tianbo House walks the woman who will protect her homeland.

The golden helmet sits securely over her silver-white hair,

The old iron-scaled war robe once again hangs on her shoulders.

Look at her battle banner, displaying proudly her name:

Mu Guiying, at fifty-three, you are going to war again!

Tongtong laughed. “But Grandpa, you’re eighty-three!”

Grandpa chuckled. He stood and posed as if he were an ancient general holding a sword as he sat on his warhorse. His face glowed red with joy.

In another few days, Grandpa would be eighty-four.

Tongtong played by herself at home.

There were dishes of cooked food in the fridge. In the evening, Tongtong took them out, heated them up, and ate by herself. The evening air was heavy and humid, and the cicadas cried without cease.

The weather report said there would be thunderstorms.

A blue light flashed three times in a corner of the room. A figure moved out of the corner noiselessly: Ah Fu.

“Mom and Dad took Grandpa to the hospital. They haven’t returned yet.”

Ah Fu nodded. “Your mother sent me to remind you: don’t forget to close the windows before it rains.”

Together, the robot and the girl closed all the windows in the house. When the thunderstorm arrived, the raindrops struck against the windowpanes like drumbeats. The dark clouds were torn into pieces by the white and purple flashes of lightning, and then a bone-rattling thunder rolled overhead, making Tongtong’s ears ring.

“You’re not afraid of thunder?” asked Ah Fu.

“No. You?”

“I was afraid when I was little, but not now.”

An important question came to Tongtong’s mind: “Ah Fu, do you think everyone has to grow up?”

“I think so.”

“And then what?”

“And then you grow old.”

“And then?”

Ah Fu didn’t respond.

They turned on the video wall to watch cartoons. It was Tongtong’s favorite show: “Rainbow Bear Village.” No matter how heavy it rained outside, the little bears of the village always lived together happily. Maybe everything else in the world was fake; maybe only the world of the little bears was real.

Gradually, Tongtong’s eyelids grew heavy. The sound of rain had a hypnotic effect. She leaned against Ah Fu. Ah Fu picked her up in its arms, carried her into the bedroom, set her down gently in bed, covered her with a blanket, and pulled the curtains shut. Its hands were just like real hands, warm and soft.

Tongtong murmured, “Why isn’t Grandpa back yet?”

“Sleep. When you wake up, Grandpa will be back.”

Grandpa did not come back.

Mom and Dad returned. Both looked sad and tired.

But they got even busier. Every day, they had to leave the house and go somewhere. Tongtong stayed home by herself. She played games sometimes, and watched cartoons at other times. Ah Fu sometimes came over to cook for her.

A few days later, Mom called for Tongtong. “I have to talk to you.”

Grandpa had a tumor in his head. The last time he fell was because the tumor pressed against a nerve. The doctor suggested surgery immediately.

Given Grandpa’s age, surgery was very dangerous. But not operating would be even more dangerous. Mom and Dad and Grandpa had gone to several hospitals and gotten several other opinions, and after talking with each other over several nights, they decided that they had to operate.