It could be a number of things so I recommend you visit your Doctor for a diagnosis.
Yes, penis does affect radiation.
Your penis is pretty tough and grows at its own rate. There is not much that will hurt its growth. Also not much that improve its growth.
Maybe, but it won't stunt your growth
Smoking
Yes.
Of course, homones start the process of penis growth, but the final size is determined by genetics . . . you inherit penis size from your parents.
having afternoonstretches with your junks will help growth. INSTRUCTIONS: stretch penis to all directions for 20 seconds.
clearly not your penis
13
penis
No.
lick it,