Spike: "Oh!. I saw that. Looks like neither boy's entirely welcome. You should take him home, Slayer. Make him stay there. I've got knittin' needles he can borrow." Out of My Mind
of course - not too much later...
SPIKE: I will know your blood, Slayer. (pause) I will make your neck my chalice ... and drink deep.
Then, he stalks off and falls into an open grave, which is mildly amusing...