#valentijn We find #seks Very interesting. We often talk about it, we like to do it, and we prefer to talk about it again afterwards. It's not for nothing that the well-known marketing principle 'Sex sells' exists and the muppets once sang the famous phrase: “The internet is for porn.” Why do we find sex so fascinating? And how did it actually arise?
Introduction
How did sex arise?
Why are we having sex?
Why do we like sex?
How does sex differ in men and women?
How does sex develop?
Briefly
This week: NPO Focus Valentine Special

Why are we so crazy about sex?