Entropy

"Entropy" is the 18th episode of season 6 of the television series Buffy the Vampire Slayer.

Anya seeks vengeance on Xander and finds comfort with Spike; Willow and Tara arrange a date.

Quotes and trivia
Xander: O-oh! Okay... then you had to do it. Because he was there. Like Mt. Everest. Like I used to be. Anya: And then you weren't. You left me, Xander... at the altar. I don't owe you anything! Xander: So you go out and bang the first body you can find? Dead or alive? Anya: Where do you get off judging me? Xander: When this is your solution to our problems. I hurt you, so you get me back? Very mature! Anya: No, the mature solution is for you to spend your whole life telling stupid, pointless jokes so no one will notice you're just a scared, insecure little boy! Xander: I'm not joking now. You let that evil, soulless thing touch you. You wanted me to feel something, congratulations. It worked. I look at you... I feel sick... 'cause you had sex with that. Spike: It was good enough for Buffy. Xander: Shut up and leave her out of--

Tara: There's so much to work through. Trust has to build again, on both sides... you have to learn if you're even the same people you were, if you can fit in each other's lives, it's a long and important process and... can we just skip it? Can you just be kissing me now?