So I came to the healer and as usual I was ready to heal Dain (the guy who refuses potions) with a spell. In the conversation before that the healer asks whether I have any liquor on me - this time I did. I gave her some and Dain became drunk.
Then I healed him with a spell. He stood up, still drunk, and instead of giving me the special card as usual and stuff, he just stood there.
The drunk status wouldn't go away. After a while I gave up and went away for a bit - I think I went into the elven cave next to the healer's tent. When I came out, Dain collapsed dead on the ground (he had been full on health before that because of my spell!). I gather that shouldn't happen? I healed him, right? He had always been fine after the spell, this time I gave him alcohol before the spell and it went wrong somehow...