I mentioned my stashed 3-d near a stand ...it is a 20ft and I take 3 arrows shoot..retreive...shoot and so on....you can imagine what that does to my breathing...but it is good because it mimicks in part what some times can happen especially early in the season...and I have gotten pretty good at controling it...I try never to think aim aim for I do not use sights nor a range finder...I practice enoug