Bishop: By all means, stretch your legs, Tim. Keep the monotony out of monogamy.
Tony: By cheating?
Bishop: No. Just words.
McGee: Elaborate.
Bishop: Harmless practice for later use on your actual flirt. Practice makes perfect. Look, what I'm saying is....
Gibbs: Keep the tool sharp.
Bishop: See, Gibbs knows what I'm talking about.
Gibbs: Ah, I got no idea.

The world wide web. It astonishes me how people post their privates....private information for all to see. Such individuals would never leave a note on the front door "the house is empty"...so why treat their computers differently?

Ducky

Delilah: I just have one more question for you.
McGee: Yeah.
Delilah: Why does she need that extra key?

McGee: I don't trust him.
Tony: With Delilah.
McGee: With the case. And frankly that too. I mean they work together, I guess it's possible they're just friendly.
Tony: Totally.
McGee: But...
Tony: You want me to speculate?
McGee: No. I mean just because the birds and bees are in the same room doesn't necessarily mean that there's.....pollination.
Tony: Did you pass health class?

Tony: Tim. How many times have you tried to contact Delilah in the last twelve hours?
McGee: Texts? Couple. All right, a dozen. But I only called six times.
Tony: What?
McGee: And left messages.
Tony: Honey.
McGee: I know.
Tony: I know you know but you're scaring her. That's not good. Women want the illusion of being chased. They don't want to actually be chased.

Ali: We need to scan every minute of this footage for an I.D.
Gibbs: Yes we do.
Ali: Director Vance, Homeland is part of this.
Vance: Gibbs. Stop. Don't. Damn, he's so fast.

Just so you know, Delilah made sure we had separate rooms. We're sharing a place while she's back in the States. I could tell you were concerned.

Ali

McGee: Do you want to break up?
Delilah: No.
McGee: Well, me neither.
Delilah: But are we?
McGee: It sure sounds like it, yeah.

McGee: Why did you move half way around the world?
Delilah: Why did you let me?
McGee: Because I love you.
Delilah: I know.

Delilah: Rule number 9. I listen. You and I on the other hand...we need to work on our communication.
McGee [kisses her]: Hello.
Delilah: Hi.

NCIS Season 12 Episode 18 Quotes

McGee: Why did you move half way around the world?
Delilah: Why did you let me?
McGee: Because I love you.
Delilah: I know.

Delilah: Rule number 9. I listen. You and I on the other hand...we need to work on our communication.
McGee [kisses her]: Hello.
Delilah: Hi.