Hmmm, well the penis isn't really made of muscle. There are muscles at the base of the penis but they aren't visible from the outside. I am not entirely sure what this question is asking. Maybe you could write a description of what you saw, that you inferred was a shrinking muscle?
likely from weight gain
penis
your penis muscles attach to a boner
No, the effects have already done their toll, so quiting will only stop the shrinking. == I think it is an old wives tale, that alcohol shrinks your penis. Alcohol can damage your liver if taken out of moderation but I have never heard of it shrinking parts.
You are not as fit as you used to be. All muscle tone is less unless you are a real health nut. Most men put on some weight around the middle. It's not that your penis is shrinking, but the pubic mound is getting thicker and covering the base. Happens to the best of us.
suck a large penis
There is no proven method of penis enlargement, except for an expensive surgical operation to loosen and extend the muscles that hold the penis.
Blood leaves the penis and goes to aid bringing oxygen to the muscles in use.
An "orgasm" in a male is the release of sperm from the tip of the penis. It is caused by spasmodic contraction of muscles at the base of the penis.
Paul Castronovo's penis size is getting smaller due to pollution and bicycling mostly in the town of Wilton Manors, FL
Good looks. Penis, Ballsack, Pecks, Muscles, Abs. Etc. (:
If you are talking about your penis you can increase its size by getting surgery.