Rebecca: Sam, look. Look, according to this brochure, briefs are bad for you. They're constricting, they raise your body temperature, sometimes rendering your little swimmers ineffectual. Look at the little cartoon.
Sam: Oh, gee!
Rebecca: Sam, the bottom line is, we have to lower the temperature down there.
Sam: Well, how are we gonna do that?
Rebecca: With these underpants lined with freon-based gel.
Sam: You want me to wear frozen underwear? I- I'll freeze my.
Rebecca: Exactly.