He waved off the extra healing spells, having only needed the first one for the massive migraine. "I created too much, too fast. I told you that I was keyed to the mansion, right? That is what allows me to make changes to it. But I never tried to add so much to it before as fast, and I never realized that the spell drew its energy from me. I think that I used up all of my natural magic, but the spell kept sucking at it, and I didn't have anything left, so it might have  started to tap into my life. Obviously it didn't take too much, since I was out for, what? 1 or 2 hours?"