2 Well, man, you're right. It's sometimes dangerous to have sex. When I was having sex with my girlfriend we got almost caught, because we were doing it in a library. And I hit my head onto a clothes tree. It was really painful, but we managed to stay unnoticed.
4 It's well known that Italians are very excitable people, and that's why we sometimes also get injured when making love. One day I was so excited that almost broke a toe, and my girl was laughing at me long after.
521 point 
1 Hm, the nmain thing not to hurt your main "instrument" :D