Lightened Flywheel Horsepower

Love thornless

Sex Would Be a very different proposition for humans if - Like Some animals Including chimpanzees, macaques and mice - men HAD studded with small penises, hard spines.

Interesting article in Nature, which is a bit 'regret the good old days, when men were monkeys and women as well, and spent more time in contact with nature. Among other things, this would explain why chimps running around naked, you know you have the annoying spikes in underpants ...