As he didn't ask her to clarify, she didn't. But Mab had always been a monster, created by circumstance by men who used her and abused her. Quite literally, actually. There was only so much a strong and opinionated woman like her could take before she inevitably snapped and murders happened. Sometimes mass murders that she inspired. That was neither here nor there. Right now, Rhys needed a lesson - at least in feeding.
"Good," she straightened up a bit. Lessons could begin while they worked. "I am sure ye're well aware by now that there are many schools of thaumaturgy and blood magic. And yes they are slightly different. Most of our blood will start off as jacks-of-all-trades-and-masters-of-none until they find what they like." Then she smiled at him, "How would you like to learn a little trick to help you feed properly?"