I get recognized just often enough to keep my ego bouncing along, but not so much that I can't go places.

Everything I write tends to turn into a superhero team, even if I didn't mean for it to. I always start off wanting to be solitary, because a) it's simpler, and b) that isolation is something that I relate to as a storyteller. And then no matter what, I always end up with a team.

Angelus: Now that's everything, huh? No weapons... No friends...No hope. Take all that away... and what's left? Buffy: Me.

When I read [the script] and saw that it was my fanboy wet dream of an Avengers script and that [Agent] Coulson was a big part of it, that was the great day for me. I just drove around the streets with the script in the other seat, giggling.

Everything is a drug. Family, art, causes, new shoes… We’re all just tweaking our chem to avoid the void.

If I wrote what I really think, I would be so sad all the time. We create to fill a gap - not just to avoid the idea of dying, it's to fill some particular gap in ourselves.

People love a happy ending. So every episode, I will explain once again that I don't like people. And then Mal will shoot someone. Someone we like. And their puppy.