Ann: Why don't you just tell Ben she's your mother?
Leslie Knope: Because Ben and I are in this amazing little bubble right now, and there's no room in here for Chris' stupid rules about us not dating or my ball-busting mother.
Ann: Oh, Leslie, I'm sorry, but I don't think you thought this through.
Leslie Knope: You know what I should do? I should get my mother a one-way ticket to London, leaving today. And that way, Ben never has to meet her and I could visit her in London. Everybody wins.