[nightski]

The fact that you need a sexy word is indicative of the problem.

[saltyworker]

The fact that you need a sexy word is indicative of _human nature_

[adrianN]

Words don't become sexy by themselves, they become sexy because they're labels for sexy things.

[s_kilk]

If it were something utterly intrinsic to Human Nature, there would be no opposition to it.

[firethief]

By that definition there is no true human nature.

[s_kilk]

Bingo

[tbrownaw]

Reproduction is intrinsic to all life -- yes, including us humans -- and yet there are people who oppose it.

[Rovanion]

I'm not sure that can be said with certainty, perhaps it is cultural.