Could he just not reply to emails you send over the weekend? Could it be the content, did you not ask a question for example? You're reading a lot into it when you start asking "is it because he wants to talk face to face" etc., it could be a bunch of things but you are just wasting your time on it, you'll never know unless he says. You can drive yourself crazy doing that. I'm not sure who A is or what his role is for you, but that sounds like a lot of emails (1 a day) for a therapist client relationship which is normally once a week in person only. If you're worried I would just ask him does he prefer to receive email.