Subtext.

Jack is the father of a teenage son, Robert.

Jack: Hello?!
Robert: Oh, hey.
Jack: I'm home!
Robert: No shit?
Jack: How was your-
Robert(interupting): Don't ask.
Jack(exasperated): Up to you!

Robert trips on the cat.
Robert: What the fuck?!
Jack(sharply): Calm down.
Robert: Calm down?!
Jack: I'll just go...
Robert: Leaving again, eh?!
Jack(angry): What?!
Robert(ashamed): nothing.
Jack: You're damn right.

Jack leaves.

Later, Robert walks in room where Jack is.
Robert: Hey...
Jack looks up.
Robert: Your day okay?
Jack: Coulda been better.
Robert: What happened?
Jack: Nothing special.
Robert: So, what's wrong?
Jack: Nothing happened.
Robert: Ooh, Julia...?
Jack: ...didn't show.
Robert: Shit, I'm...
Jack: Don't be.
Robert looks down.
Jack: and your day?
Robert: good.
Jack: Then why...?
Robert: I was pissed.
Jack: at?
Robert: you!
Jack: Oh...uh..
Robert: you forgot.
PAUSE
Jack: I didn't forget.
Robert: You didn't say...
Jack I didn't want...
Robert: What?!
Jack: ...upset you.
Robert(sarcastically): Goood job.
Jack: I`m sorry.
Robert: Sure.
BEAT
Jack: I`d never forget.
Robert: What about Julia?
Jack: What about her?
Robert: Nevermind.
Jack: Your mom is...
Robert: ...was...
Jack: very special to me...
Robert: Yeah, me too.
LONG BEAT
Jack: I`m sorry.
Robert: Me too.