Yeah, didn't think you would.

[He cracks a smile, though it fades as the conversation turns slightly more serious. Probably shouldn't be grinning too broadly while talking about blood, after all. Tends to put people on edge. Generally frowned upon.]

Depends. I can get by without it every day, but it's gotta be steady. Bag or two at a time? [If he's being conservative.] I'm guessin' they're not about to let me out of here to pay a late-night visit to the local blood bank, are they.

[Rude.]