Lois: And people, they hop from one person to another trying to get some sense of validation. They do this all through college, all through their twenties, having all sorts of casual encounters. And sometimes they even convince themselves that the relationship is serious because the sex is so great, but that...
Malcolm: Wait. Stop. What did you mean by validation? Validating what?
Lois: Well, sometimes people will attract other people just to prove to themselves that they're likable. And if that's the reason that you're having sex with someone, you can cause a lot of damage.
Malcolm: But if you want to have sex with someone, doesn't that mean you really like them?
Lois: Oh, no, honey. That's exactly the trap people fall into. You see, a lot of people...