“Human beings are kind of lucky in the sense that both genders generally find sex fairly pleasurable. We imagine society would be quite radically different if, say, males thought sex was something to be avoided at all costs. Yet for many (or even most) species, that is the reality they live with every day. For one gender, sex is the only reason they’re alive; for the other, it’s a terrifying, painful nightmare. For instance…” w/ photos
