KyBH,
I think many of us have been in your shoes and some still are. The only advice I can offer is that the more time you spend in the deer woods and on the range, the better. The more you practice, the more instinctive the act of drawing your bow, and aimming at that 1 spot on the deer becomes. The whole process should almost be instinctive; which allows you to mentally prepare before, during, and after the shot. You shouldn't be thinking maybe quite so much on all the drawing, anchoring, aimming ect.., if that makes any sense; just try to relax and not over-think and and over-work your mind into a tizzy(thats the deer's job); tons of practice helps you to relax and have confidence in your abilities and equipment. I still get buck / deer fever, thats part of the reason i hunt; but i practice a lot and have confidence in my abilities and judgment. it comes with time and plenty of hours shooting. Hope my 2 cents helped some. Good luck and hang in there, it will all come together for you too.