Dr. Meredith Grey: At some point, you have to make a decision. Boundaries don't keep other people out. They fence you in. Life is messy. That's how we're made. So, you can waste your lives drawing lines. Or you can live your life crossing them. But there are some lines that are way too dangerous to cross.
Dr. Meredith Grey: [About her roommates.] They're everywhere. All the time. Izzie's all perky and George does this thing where he's helpful and considerate. They share food and they say things, and they move things, and they breathe. Ugh. They're, like, happy
Dr. Cristina Yang: Kick them out.
Dr. Meredith Grey: I can't kick them out, they just moved in. I asked them to move in.
Dr. Cristina Yang: So what, you're just going to repress everything in some deep, dark, twisted place until one day you snap and you kill them?
Dr. Derek Shepherd: It's not the chase.
Dr. Meredith Grey: What?
Dr. Derek Shepherd: You and me. It is not the thrill of the chase. It's not a game. It's... It's your tiny ineffectual fists. And your hair.
Dr. Meredith Grey: My hair?
Dr. Derek Shepherd: It smells good. And you're very, very ballsy. It keeps me in line.
Dr. Meredith Grey: I'm still not going out with you.
Dr. Derek Shepherd: You say that now.
Dr. Alex Karev: What are you doing?
Dr. George O'Malley: Hiding. There's this VIP patient. He likes me.
Dr. Alex Karev: Well, that's good, right?
Dr. George O'Malley: He *likes me*, likes me.
Dr. Alex Karev: Go for it, man. Get yours, I'm down with the rainbow. [George gives him a strange look.] Oh, are you not gay?
Dr. George O'Malley: No.
Dr. Alex Karev: Really? Dude, sorry.
Dr. George O'Malley: Cristina! Do you... Does Meredith think I'm gay?
Dr. Cristina Yang: Are you?
Dr. George O'Malley: No!
Dr. Cristina Yang: Really?