Teenage Lack of Empathy

How do you handle a 14 yr old son why lacks any empathy towards anything and feels like the world owes him everything? He's constantly in trouble at school, king of playing off others, and can make everything everyone else's fault. I love him so much but I don't no what else I can do. He also locks himself in the room and if I tell him he can't speak to people the way he does and I won't let him talk to me how he does, he gets very upset and says he wants to live with his dad. Any advice its sooo needed. Thank you.