1. Only a small percentage of women orgasm every time during sex.  

2. The pen!s shrinks slightly with age due to less elasticity.  

3. S3x burns about the same calories per minute as ironing.  

4. A good sense of smell correlates with stronger orgasms.  

5. Post-orgasm prolactin causes the sleepy feeling.

6. Condoms break more often from heat or wallet storage.  

7. Women’s desire can increase right before their period.  

8. Sex is one of the most pleasurable and meaningful activities.  

9. The vagina self-cleans and maintains its own pH balance.  

10. Regular sex may slow down biological aging.