IT IS A MIRACLE THAT THE HUMAN RACE MANAGES TO SURVIVE, CONSIDERING ONE OF THE GENDERS INVOLVED
Why do we say this? This is why we say this.
SERIOUS WARNING: Do not click this link at work. Or at home, if you have a shred of human decency. The fact is, you should not click this link at all. Probably you should unplug your computer right now.
(Thanks to Michael Crane)