Quote from Mark in Pawnee Zoo
Leslie Knope: Brendanawicz, you big sandwich eater. Mark: Oh... Cut it out, now. Leslie Knope: Just to be clear, that was a friend punch. There was no flirtatious meaning behind that playful punch I just gave your arm. Mark: Yes, I do understand. You've made it abundantly clear that there's no romantic element to our relationship in any way. Leslie Knope: Yes. Good. Isn't it good to be able to just kind of horse around like this as friends? Mark: It is. Yeah. Leslie Knope: Yeah. [aside to camera:] Mark: I really hit rock bottom that night. And I mean that I literally fell to the bottom of a pit and hit a rock. I remember laying there thinking, "There's probably a good reason why I'm down here... and single." And then I started thinking, "I need morphine."