>>2003420They may think that, but the body's natural state is to have it, so I think we are programmed to.
Then again, the body's natural state is to have hair in your pits, and I don't find that attractive at all. But a lot of others sure do!
Shaven crotch pretty much comes with obsession of youthful appearance. I hate the way hentai artist draw it, though: bulging, hyper-detailed to the point that it stands out as more realistic than the character itself, and pretty obviously pedophilic.
