I am shooting a VXR 31.5. The one thing that I struggle with is getting the pin on target and holding for any decent amount of time (I am talking seconds, not minutes). It seems like I have to force the pin up to the spot, then fight it to hold it on the spot. It keeps wanting to dip down. I see three possible solutions... 1.) My draw length feels fine, although I can tell the string is just behind the corner of my mouth, but it touches my nose with no issue. I could shorten it 0.5", which would put the string on my mouth, but I am not sure that is necessary. 2.) I could install a back bar, which I assume would assist in the bow tilting up while holding? 3.) I could just shoot more and build up the proper muscles as I go. I have been shooting for several years, although I do not do it every day. I have no issues making a good shot, but I almost feel rushed to get the shot off before the pin drops back down.