You are acting like a child.
Boy: I'm just going through a phase right now. Everyone goes through phases, don't they?
Man: I don't know, boy. I don't know. Put that way. I told you, when you're with me, no cell phones.
Boy: It's my mom. I gotta go.
Man: We aren't done.
Boy: She'll ground me for life if she finds out about us.
Man: You are acting like a child.