The pastry was in fact being offered, so he had to accept. Had they not also been engaged in a battle of wills regarding the cold, he might have put some thought into how to take the tidbit without touching her with his mouth. They were, however, engaged in that battle, so he leaned forward to take the piece of pastry exactly as he would have if he had his usual temperature and skin tone: neatly enough, but with a light nip to her fingers and a quick lick to clean up some powdered sugar.