How to get my confidence back in the bedroom?

Ok, so I never thought I would do this but I need some unbiased opinions (preferably before Friday). I've recently met a new guy and we really hit it off in every area imaginable, except for the bedroom. Now, it's not due to him not trying. However, I can't seem to stop over thinking, relax and get my confidence back to make it enjoyable for both of us. It would be a shame to let my lack of confidence get in the way of something that could be really good. So any suggestions would be extremely welcome!!!