House, Season 7

Cuddy:
You took Vicodin. When you came to my hospital room that night, you were stoned.

House:
How did you know?

Cuddy:
How did I not know? How did I make myself forget for months that you're an addict? My sub-conscious was trying to tell me you could never get through this without drugs.

House:
It was a one time thing.

Cuddy:
It's not about the pills, House. It's about what they mean.

House:
I was scared because I thought my girlfriend might die.

Cuddy:
No. You don't take Vicodin because you're scared. You take it so you won't feel pain. Everything you've ever done is to avoid pain; drugs, sarcasm, keeping everybody at arm's length so no one can hurt you.

House:
As opposed to everyone else in the world who goes looking for pain like it's buried treasure?

Cuddy:
Pain happens when you care. You can't love someone without making yourself open to their problems, their fears, and you're not willing to do that.

House:
I came -- I came to be with you.

Cuddy:
You weren't with me. Not really.

House:
I wanted to be.

Cuddy:
That's not enough.

House:
I can do better.

Cuddy:
I don't think you can. You'll choose yourself over everybody else over and over again because that's just who you are. [strokes House's face] I'm sorry.

House:
No, no, no. Don't don't.

Cuddy:
I thought I could do this.

House:
Don't, don't. Please don't.

Cuddy:
Goodbye, House.