Wil grimaces at the taste of the tainted blood, and debates whether or not he should spit it out. But there's no way to do that without making a mess, so he has to hope he'll be fine.

But then the 'off' flavor is gone, and this... is so much better than cow's blood. Richer, fuller, bursting with energy. It's a struggle to pull himself away from it before he drinks too deeply.