Grey's Anatomy, Season 8

Mark:
You're doing good.

Lexie:
Mark...

Mark:
Cristina's... Cristina's gonna be back any minute.

Lexie:
Mark...

Mark:
She's gonna be back. and we're gonna get you stabilized, and you're gonna be fine, okay?

Lexie:
No, Mark...

Mark:
Just a few minutes, okay? She'll be back any minute.

Lexie:
Mark, I'm... I'm dying.

Mark:
What? No, you're not.

Lexie:
[gasps] Mm-hmm. I am. Please... Tell... [crying] Tell Meredith that I love her. And that she's a good sister. Please. T-Tell my dad...

Mark:
You're not dying. You're gonna be fine.

Lexie:
[crying] Hold my hand.

Mark:
I'm not holding your hand because you're not dying.

Lexie:
Hold my hand.

Mark:
No, you're not dying. Do you hear me? You don't die today. [tries to lift the plane off her again, and realizes, and lays back down and holds her hand] I love you.

Lexie:
You don't have to say it just because I said it.

Mark:
I do. I love you. [teary eyed] I love you. I've always been in love with you. I will always be in love with you.

Lexie:
Yeah?

Mark:
Yeah. Which is why you have to stay alive. We-- We-- We're gonna get married. And you're gonna make an amazing surgeon. And we're gonna have two or three kids.

Lexie:
So Sofia can have siblings.

Mark:
Yeah. A sister and two brothers.

Lexie:
That's nice.

Mark:
And... We're gonna be happy, Lex... You and me. We're gonna have the best life, Lexie. You and me. We're gonna be so happy. So you can't die, okay? You can't die, because we're supposed to end up together. We're meant to be. [starts crying]

Lexie:
Meant to be. [she dies]

Mark:
[crying] I love you. I love you. I- I love you. I love you. I love you. I love you.