pussy lips , your dick , your abs , your biceps , all get tight and hard if exercised regular .... ever notice a flabby chick that does not exercise has a sloppy loose puss? and amazingly Laila who gets more dick than a porcupine has quills has a super tight little beaver?
i asked her why and she said because her puss gets lots of exercise , >makes perfect sense , don't it ? and the more you fuck the bigger and stronger your dick gets , so keep pumping iron or pussy for a healthy strong tight bod.
what planet is hamster from ? your dick is a mass of many muscles , the question is are they voluntary or ?? your dick is the lightest thing on the planet , it raises on a thought... but for sure a muscle , just take a muscle relaxant , then try to get it up . and yes your dick will be a bit bigger if excercised , it is not going to grow but will not shrink like a dick or sloppy pussy without exercise.