I can't tell you how many times!!! I cringe even thinking of it, and worse yet, it will happen again ......
I agree with the other posters, especially unlockingsanity. If it's really bugging you, send another email. And I agree that T's are used to this type of thing. And most important of all, talk about it next session. You were expressing honest emotions and that is valid. Talk about it - that's the work of therapy. Meanwhile, try to stop bashing yourself about the head and shoulders