He was confused. Why couldn't Karen just drink alcohol if that was what she wanted? Was there some unspoken rule about vampires that they could only drink blood? That their bodies would process nothing else?
Eugh. It was rather like being a vegan, he assumed, where your body starts to reject meat if you break cycle and eat some.
“Well, Karen...” Jack said, a touch of whine to his voice, “Why can't you just drink alcohol? I mean, I know you are all I Vant to suck Yer Blood and all that, but why can you just... you know...” and Jack tipped his hand up to indicate drinking liberally from a glass.