Ya gotta remember too that yer body has lotsa self-protective strategies that most of us will never, ever be aware of; they're just automatic.
Sometimes when you've overworked or whipped the little guy into suBathmateission a little too much, your body'll just give him a rest for a while to let the damage heal and prevent further or worse injury.
Maybe just a short Penis Enlargement vacation is all ya need.
Good Luck