Nathan: Every time I benched another ten pounds, I’d scratch two letters into the plate.
Peyton: What is it? PS?
Nathan: It was the same summer that we’d started dating. We were pretty good together, weren’t we?
Peyton: Gimme your hand, I want you to feel this [her knuckles].
Nathan: Jeez, what happened?
Peyton: I broke that knuckle, punching something after we’d broken up for like the twentieth time. We were horrible together.
Nathan: Yeah, I know, I was kinda of hoping you’d forgot.

One Tree Hill 4x13 - Pictures Of You

Peyton: Alright, let’s see that baby.
*Nathan hands Peyton a picture of Jamie*
Nathan: Not bad, huh?
Peyton: Nice work buddy!
Nathan: I made that!

One Tree Hill 4x21  - All Of A Sudden I Miss Everyone

Nathan: I think I was hitting on you in the pool.
Peyton: You think you were?
Nathan: I don’t know anymore, this whole good guy thing is new to me. I guess I’ll always have feelings for you, Peyton. But I owe it to Haley to be a better guy than I’ve been, I just don’t want to be the kind of guy that cheats on her.
Peyton: Then don’t be. Nathan, I’m proud of you, you know, standing up to your dad and being a good guy for Haley. You’re turning into the kind of guy I always knew you could be.

One Tree Hill 1x18 - To Wish Impossible Things

Nathan: Alright, come on, let’s get this over with.
Peyton: Funny, that’s what he’d say before we’d have sex.

One Tree Hill 1x18 - To Wish Impossible Things