STEVE: (to Susan) It is not scientifically possible for a man to know what a woman wants. And that’s not fair, because you always know what we want.

PATRICK: We always have the decency to only want one thing.

STEVE: And do you ever thank us for making it so simple?

PATRICK: Never!

Steven Moffat (b. 1961) Scottish television writer, producer

Coupling, 03×02 “Faithless” (2002-09-30)
    (Source)

(Source (Video) at 24:03; dialog verified)