1) We need more lawyers than mathematicians. He will grow up from '得罪两三个班上的朋友"
2) 理发. same as my boys
3) let him do his laundry and clean up his own room. If one person doesn't want to mop his room, how can he clean up the whole world? Especially for a lawyer. I am kidding.
Talk with him when he has a good mood or when he requests something from you.