Some of the details would depend where this happened, but Axel would get a very firm 'no' and get pushed away. If he persisted Saix would port away and come back with a glass over water to splash in his face or something. :| He wouldn't take it too badly, and would let the drinking take most of the blame--even if it's not altogether the truth. His only other experience with unwanted advances is Grell, and he's hardly going to treat Axel the same way.