Sorry guys, had to repost. Apparently one of the pics was underage, I looked it up and verified it to be true, or at least general internet consensus says it is, but that's enough for me. Thanks CelibateRifle.
Also an apparently little known fact: The dark area around a butthole is not "shit stains", it's darkening of the skin from friction, either from moving a lot or wiping or whatever causes friction on the flesh. Same things happens anywhere else on the human body. If it's brown it's still clean skin. Besides, poo doesn't spread so uniformly and hang around to "stain" any part of human skin, it's just not designed to work that way.
The above is true, no idea where people got the daft notion shit can discolour the skin. On a side note I find a brown lil' piehole the most enticing thing to go all-out munchies on. Bleached and pristine pussy/ass is all fine and dandy, but I like my girls a little dirty. No.1 one would make my day, despite the peeping mouse.
I like that none of them are gaping or blown out. I can see how people have a fetish for that, but it's way too prevalent. I like them to have some tone left, not looking like I'm the last one to hit it after a huge line of gigantic cocks already have.
Why aren't everyones armpits friction stained dark brown? It's because this is bullshit, fecal matter will stain skin because it has a natural pigmentation. Fat people have more stain because they cannot clean themselves as well due to lack of flexibility, this will explain why those really flexible fat chicks always have cleaner buttholes.
Because it's more from wiping than movement, although some people DO have darkened skin under their arms from movement. Shit does not stain. True, it does have a pigment, but so does everything else that's visible in the world. Fecal matter will only dry and flake away, not absorb into the skin. Look it up, friend. And enjoy some buttholes while you're here!
Seems we're both wrong, Cal. It's caused by the Apocrine glands. Specialized sweat glands that secrete an odorous fluid that carries pheromones and can be found around the genitals, armpits and anus areas. Due to the lack of fresh air and intense heat and moisture, the area around the crotch and anus will cause the fluid to darken and stain the area (Why some people have inner thighs of much the same color as the "brown eye").
So still not a shit stain, but not a friction mark either. I hope we all learned something today, I know I did.
The friction process yo u were referring to is called keratinization. Skin cells can transform and become more durable due to constant friction. This is why hands and feet have thicker skins than, say, your armpit or sides. Obese people tend to develop keratinization more readily in the arms and legs due to the fact that there is constant contact and friction with other body parts. This process of keratinization forms specialized epithelial cells to form and ergo cause discolorization and texture changes. So, in all technicalities, you are also partly correct. Though for the wrong reasons.
Pheromones, aren't those the things which attract members of the oposite sex? So all I have to do is shove my ass into girls' faces and I'll get laid? Why didn't someone tell me this earlier!
- I'll let you know how it works next Friday if I head into town.
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Re-enjoy!