Eastarns are a proud bunch, yeah.
.....you know, and I can't belive he did not know this(damnit man), if he can take human shape, he can get drunk by human amounts of beer. It'll take a LOT, but, not nearly as much. I mean, it's a trust thing, as some of the lack of protection(IE, no armor) is a bit...unsettling, but, I'm sure he's got the mojo to make sure someone could not just shoot him, or somethng. Bring it up with him, next time.