Apparently orgasm is the only point where your mind becomes completely empty - you think of nothing for that second. That's why it's so compelling - it's a tiny taste of death. Your mind is void - you have nothing in your head save white light.
Madness string 81293
It's funny how child-free people are often said to be selfish, but the people who just have kids without thinking about that child's reality are not. I'm not saying people are wrong to have children, but don't say I'm selfish for not wanting to bring a child into this world.