When I first started Bow Hunting it was 4 years before I finally shot a decent 6-Point Buck...missed a few thru the years and it took a few years before I could quit shaking when a nice Deer came in close!
I finally got me a Range Finder and that help me judge distances much better.Like one member here stated...try target practicing from an elevated stand at a Deer target at different yards...it will help out a lot and You'll learn where Your arrows hit,enter and exit on a Deer!Keep going out and learning about when and where the Deer are traveling and enjoy being in the Outdoors!