A: Is that boy you walk home with your brother?
B: No, he's my neighbor.
A: Does he go to your house often?
B: We hang out there almost every day.
A: Your parents don't mind that?
B: Of course not. They've known him since we were children.
A: He might as well be your brother.
B: I prefer having close friends to having a brother.
A: What's wrong with having a brother?
B: Brothers always fight over things they don't want to share.
A: Are you afraid he'd take your things?
B: No, I'm afraid he'd take my girlfriend.