Any penis enlargement exercises while penis is fully erect?

There's one, but I expect you already know about it...

Penis enlargment is your main concern ... sigh. This is what is wrong with society we worry about stupid **** like the size of a certain appendage. I think you should stop whacking off and do something more productive with your energy. Remember what you do in life ripples through-out the universe for all eternity.

And it can cause blindness and insanity.

crack ups. Mental blindless yeah