Peter: I'm thinking about it. It's all I've been thinking about. And I'm afraid. I'm afraid because I've made this mistake before. I betrayed the Olivia that I love. But what I'm really afraid of is that when I look in your eyes is I know it's you. I know it's you.
Olivia: I just gotta, um...I just gotta go pee.

Olivia: I'm confused too. I feel incredibly close to you. I feel like I know you better than anyone else in the world and then when you look at me it's like none of that is true.
Peter: Olivia, I don't know what you want from me.

Walter: It's not important now. I need you to take me to the bridge.
Lincoln: What?
I need to see Nina Sharp. I know what's happening to Olivia.

If Sean and his half brothers are linked in a telepathic network, then it's possible they have formed a collective identity.

Walter

Lincoln: So, in the department of strange, what are we thinking? That one of these children killed Greene because of the story he was writing?
Olivia: Maybe.

How can she have memories of my Olivia's life that are clearer to her than her own?

Peter

I remember it. I remember us. I remember everything.

Olivia

This might be a little bit weird, but I was wondering if I could come in and just have a look around?

Olivia

Lincoln: There really aren't any normal days on this job, are there?
Olivia: Nope.

Peter: Just be straight with me. Are you okay?
Olivia: Yeah, I'm fine.
Peter: Then why did you kiss me?
Olivia: I don't know. It just felt like that's what we do. It just felt normal.

Fringe Season 4 Episode 13 Quotes

Lincoln: There really aren't any normal days on this job, are there?
Olivia: Nope.

Peter: Just be straight with me. Are you okay?
Olivia: Yeah, I'm fine.
Peter: Then why did you kiss me?
Olivia: I don't know. It just felt like that's what we do. It just felt normal.