We can’t let you go until we’re sure that you’re impotent or –

Giles: We can’t let you go until we’re sure that you’re impotent or –
Spike: Hey!
Giles: Sorry, poor choice of words. Until we know that you’re…
Buffy: Flaccid?
Spike: You are one step away, missy!
Buffy: Giles help! He’s gonna scold me!