[bad news rhys, he's definitely sucked the blood out of a bunny rabbit recently]

Vampires survive off the blood of humanity. Animal blood can stave our hunger, but it is only that. It must be blood of a sentient person to prolong my life.

It is the nature of vampires. But I would never take more than I need, nor would I take from a person who is unwilling. No matter how they might annoy me.