Harry: You realize, of course, that we could never be friends.

Sally: Why not?

Harry: What I'm saying - and this is not a come-on in any way, shape, or form - is that men and women can't be friends, because the sex part always gets in the way.

Sally: That's not true. I have a number of men friends and there's no sex involved.

Harry: No, you don't.

Sally: Yes, I do.

Harry: No, you don't.

Sally: Yes, I do.

Harry: You only think you do.