I feel like an expert on this subject...
I'm 29 now and averaged 220 or so for most of my adult life. About 2.5 years ago, I strained my left quad at work and could barely walk for a year. Until around 6 months ago, it still hurt quite regularly. Now it only hurts a little bit once in a while.
2 years ago I averaged 203, and least season I averaged 187 in one league. Prior to the injury, I loved bowling in tournaments and bowled pretty well in most of them. I actually had the best season of my life the year before as I had a lot of success in tournaments. You can imagine how hard these last 2 seaons have been. The mental anguish is hard to relate to unless you've been there. And it wasn't about ego for me. It was just a bitter pill to swallow knowing that I could no longer bowl the way I once did!
This year, through many changes to my game, I am almost back to bowling as good as I did before. I'm averaging 213 and 220 in one house, and only 205 in another. The low average house is just a tough match up for me, and it is really frustrating me right now.
With all that said, there are a couple possibilities for you. It is possible that you are bowling just as good as you did last season, but something changed either in your grip, the bowling center (different pattern, etc.), or some other outside force. Perhaps the shot just matched up better for you last season.
Or, you truly are in a slump and doing something wrong. I find the one thing that consistently brings me out of a slump is another person. Whether you have to pay a coach to help you, videotape yourself to make yourself the other person, or simply ask a friend to watch you and see what you might be doing wrong, you need a way to see yourself bowl either through the eyes of another person or a video camera.
If I can get through these last 2 years without quitting, then you can get through this. You may not believe it now, but it truly will make you a better person if you can battle through this and figure it out. I have a much better appreciation for the decent ability I've been blessed with and enjoy being competitive. I honestly thought I'd never be competitive again, but here I am!
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Brian
MichiganBowling.com
http://www.MichiganBowling.comFamous Last Words of a Pot Bowler--"Ok, but this is my last game!"