Like Bones said, it could be likened to 4 people on a team vs 3 people on a team. The more chance carrydown has to set in, the less likely you are to score well nearing the end of the set.
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HAH! I don't know ANYBODY now!
Being in adult leagues teaches you many things.
1. You're not on top anymore, but there are a lot more people that suck worse than you do now.
2. The myth about the youths having an easier shot is NOT TRUE. I'd have an entire ring collection if it was.
3. Drunk adults are a lot funnier than drunk youths.