Nater, Put it on a scale. That's the best advice at this point. Then come back. Just saying you pick the ball up & it feels heavier just doesn't cut it. Maybe you do have this special gift, but it could just be subconsciously that it feels heavier. Heck, I've gone to league some nights & pull the ball out of my bag & it feels 5 lbs heavier, lol, but the ball didn't change weight, I just felt weaker until I got warmed up. Other times I pick the ball up & it feels like a feather. It's just nature, dude.
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"The last time I saw a face like that, it had a hook in it's mouth."
Rodney Dangerfield