Tim: A legacy. Something that's passed down, like, generational?
Wilson: Exactly, and that's what you have with your sons. You'll be able to pass on your accumulated wisdom, the things you've learned about being a man.
Tim: We've already started that, yeah. Last weekend I taught 'em all how to burp the alphabet.
Wilson: Actually, I'm talking about more than burping. You see, Tim, what your sons give you is immortality, and I think maybe that's what Jill wants - to see a part of herself live on.
Tim: So that's why she'd want a girl. Thanks, Wilson. You've been a help.
Wilson: Do svidaniya, good neighbor.
Tim: Do-si-do to you, too.