I have had this same sort of thing happen quite a few times. I do try to respect peoples boundries, when I can. Mostly when I know about them. Sometimes, it is really hard to understand a person's boundries. I have sat down and talked with them about what they expected. What their likes and dislikes were when it came to boundries. But, I have also noticed that these boundries can change from day to day. That makes it impossible.