What if you take control of the conversation from its start. There is no need to wait for those questions to be asked. Simply open the session with teling your therapist your concerns about what his holiday makes you feel off kilter and nervous. He may very well then try to put your mind at ease. What ought to happen at the very least is that he acknowledges your feelings about it. What a great opportunity it can be to review past sessions and discuss how they may have changed your emotional outlook.