(Sorry, forgot to say it's video, not action!)
No, you really don't.
[A beat] Of course, the stock you already have should last you a few more days, but after that... I take it you're looking for volunteers?
[And he looks a lot grimmer than Damon might expect if he knew about how eager he's been for Spike to bite him for, like, ever.
Perhaps Spike finally actually biting him in their shared dream has got it out of his system, or more likely it's the instinctive protector of innocent people coming to the fore. Offering his own blood up willingly is one thing; duping people into being meals is quite another.]