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It's a warm story, and although the plot is as decent as a Hollywood blockbuster, the most interesting thing about the whole process is the care of a lifetime, Baymax, which we used to call him White, from the beginning of his appearance until his sacrifice.

He will ask Hiro, from one to ten, what are the levels of empathy you have, he will take care of your personal safety, and he will do his best to heal the scars of your heart.
No matter what Hiro asks him to do, Dabai will only ask if this will make you feel more comfortable, and then he will do it without hesitation. Not only does he care deeply for Hiro, he loves everyone and every creature.
He warms everyone's heart, heals everyone's heart, we see endless love in him, illuminating everything around him, the pain of the protagonist Hiro losing his loved one is also healed, and at the end, when the villain is defeated, Ohbai feels that there is life in the wormhole, and goes in with Hiro to save people.
In order to protect Hiro, Dabai had to sacrifice himself, at this time he just asked Hiro if he was satisfied with his care, the plot was pushed to a climax here, and how many viewers were in tears here.
When Ohbai flew out of his fist to push Hiro out of the wormhole, we saw the green chip inside the fist, and the warm ending made the audience cry again, until Ohbai regained his body, shouted Hiro, the two embraced each other, the plot was frozen, and the story ended.