An-Hasst would have to suffer a serious brain damage within the tavern to present his thoughts about Vanya to her. After all, I think he's more frightened of and full of respect for her than he is willing to admit to himself. Otherwise he wouldn't insist on another means of transportation for him. This decision could put him at considerable risks: He will be alone in the middle of the night on terrain he certainly isn't too familiar with and riding a mount that possibly won't be the fastest with him on top.