Quote from Ross in The One Where the Stripper Cries
Ross: So I made out with Adrienne, and you made out with Missy. Well, I guess we're even. Chandler: Mm-hmm. Ross: We are even, right? Chandler: [sighs] Just one more thing. I was so pissed at you that night that I wanted to get back at you. So I thought, "Who does Ross like more than anybody?" Ross: What did you do to my mom?