The speed of sperm. The science of sex. The principles of good performance. It’s funny, for all we know and talk about sex, there is so much that we don’t know and that we rarely, if ever, talk about.
1、More than 2000 amazing,interesting, fun, and useful sex facts.
2、You may momentarily favorites you to be interested the sex facts.
3、Have background music.
4、Not any advertisement.
5、More sex facts will coming soon!
If you have any questions, please contact Email: mobsub#gmail.com ( # change to @)