Penny: What about the girl behind the counter?
Sheldon: Well, she spends her whole day scooping. One arm's probably bigger than the other.
Penny: Is it possible you might not actually want to meet someone?
Sheldon: You are truly wise.
Penny: Thank you.
Sheldon: I'd say wise beyond your years, but you're getting up there.

Sheldon: Penny, I am going to tell you a story that I've never told anyone.
Penny: All right.
Sheldon: I was 13 years old, and on spring break from college.
Penny: Not relating. Go on.
Sheldon: I came home early because they ran out of math to teach me.
Penny: Oh, now I'm with ya.

Sheldon: I need to prepare her now to save her from pain down the road.
Penny: Down the road? Sheldon, she wanted to share a toothbrush holder with you, and now you're at an ice cream parlor trying to pick up women!
Sheldon: Well, anything can sound silly when you put it in that tone.

Sheldon: I suppose I should apologize to you, as well.
Penny: Okay.
Sheldon: That must have hurt watching me look for other women without ever even considering you. Please understand that I think of you as more of a nanny.
Penny: Just finish your ice cream so I can get you home to bed.

Raj: I wonder if this is what it feels like to be Bernadette's baby.
Stuart: I don't know. Bernadette's baby doesn't have a Jacuzzi jet hitting just the right spot.

Howard: Those jets are for my secret spot, not his!
Bernadette: What do you do in there?!
Howard: It's called relaxing, and that's all you need to know.

Sheldon: Oh, and also, I am willing to forgo the bathroom schedule.
Penny: Oh.
Leonard: Really? Why does she get that?! We never got that!
Penny: Do you want him back?
Leonard: I'm very happy for you.

Sheldon: Amy, you should know I was never really interested in seeing other women. And to prove how serious I am about us, I'm willing to take our relationship to the next level.
-Cut to Sheldon and Amy's bathroom in Apartment 4B-
Sheldon: Amy Farrah Fowler, will you share this toothbrush holder with me?
Amy: I would love to.
Leonard: Did we really need to be here for this?
Penny: Call me crazy, but I found it moving.

Amy: Sheldon, I understand your apprehension, but let me appeal to the scientist in you. Given the five-week end-date, isn't it the perfect opportunity to consider this an experiment and collect data on our compatibility?
Sheldon: Don't try luring me in with sexy talk.

Sheldon: No matter where I am, this will always be my spot.

Penny: You can stay in Leonard's room, and we'll stay at my place.
Amy: You're sure that's not an inconvenience?
Penny: No, not at all.
Leonard: And we live with Sheldon, so the word "inconvenience" has really lost all meaning.

Penny: Do they know why the pipes burst?
Amy: They didn't say.
Leonard: Buildings that have a combination of copper and galvanized steel are susceptible to pinholes and corrosion caused by the mobility of ions in the water. Can't have your head shoved in a toilet as much as I did and not pick up a few things about plumbing.

Penny: The new neighbors are weird.

Leonard: Keep M&Ms in your pocket in case you have to wait in a long line.

Leonard: He startles easily, so, please, no flash photography.