Quote from Barney in The Leap
Barney: So, when she said she thinks she's in love with me, she meant the opposite. Lily: Exactly. And look how well it worked. You're back to normal. Barney: Yes. Yes, I am. And it is great. It's awesome. So, Robin's not in love with me. Lily: Nope. Barney: [whiny] Why not?