im trying to figure out why my bow seems to explode to one side as i shoot

 http://www.youtube.com/watch?v=Zqo4PbPs0ac&feature=youtu.be

also this is my average group at 15 yards

http://www.youtube.com/watch?v=ZEJH7wEw1Sc&feature=plcp

I'll just comment on one thing which is your grip. It appears that you are past your life line in it which may be a partial reason for "exploding to one side". Please review the photos below that show proper pressure point areas, they are pretty self explanatory.