I think it was “Something Blue”- Buffy is feeding Spike blood from a coffee cup that has “Kiss the Librarian” printed on it as he comments about being chained in a bathtub drinking pig’s blood from a novelty mug.
But, yeah, it’s pretty well established in S4 that Spike lives on animal blood from butcher shops.
OOC, was the demon that Spike went to the same as the ones that were in season four’s “Living Conditions” (the “Buffy’s college roommate is a demon” episode)?
Pretty sure they were different demons. The one in the cave looked like he had some sort of conehead and I got the distinct impression that he had more than the standard number of legs.
First of all, blistered be thy tongue! Spike is Buffy’s truest love, and I’ll hear nothing different, damn you!
Secondly… you seem to be contradicting yourself. First you say it won’t happen, it would be the worst thing that could happen, and on Buffy the worst thing always happens…so doesn’t that mean that it WILL?
Um, Stoid, I’ve analyzed the somewhat convoluted structure of that sentence and arrived at the conclustion that what Miller meant to say was, that if Buffy not falling in love with Spike would be the worst possible thing that could happen to him.
But, once Spike gets his mind put back together, I think Buffy will be impessed enough that he went out and got his soul back that she will fall in love with him.
If she doesn’t, he can always vent his angst by writing poetry at her.
Um, what Thea said I said is what I meant to say. To read makes my speaking English good.
And would Spike’s chip even let him write poetry at Buffy?
Um, well, Miller since Buffy’s been back from the dead, Spike is able to hurt her (she came back with some cellular changes, so the chip doesn’t read her as human, or something.) So, yeah, I think Spike could very well write poetry at Buffy without suffering a chip-induced headache.
Hmm, maybe I should just quit while I’m behind.
It wouldn’t set off the chip? You’re kidding, right? Even the Vogons don’t bring <i>effulgent</i> into play! That’s poetry with malice aforethought! 
Uh, those were square brackets when I typed them. Really. There’s an HTML demon in my computer. Call the Council–they’ll back me up on this.
Well, if Spike were to write poetry at a “normal” human, yeah, it would set off the chip.
If he managed to work effulgent into the poem, the chip would probably give him a headache that would flatten him for a couple of days.