The reason it's called Han Mo is because Wang Taika has been on business trips all the time, and even forgot his name. He only remembers that the letters are py, so just call him Hanpy.,"Han py Why aren't you at work What are you still doing here" Wang Taika patted his head, trying to clear his mind a bit, but he still felt a throbbing headache.,“Bipolar disorder! It’s when you’re manic one moment, depressed the next, and sometimes both at the same time,” Wang Taika said. “Staying in the deep mountains for too long, all alone, that’s what does it to you. I have to take medicine every day just to keep it under control!”。