SEX

How's that for an attention grabbing title? ;-)

Top 10 Reasons Why Men and Women Have Sex

Women

1. I was attracted to the person
2. I wanted to experience the physical pleasure
3. It feels good
4. I wanted to show my affection to the person
5. I wanted to express my love for the person
6. I was sexually aroused and wanted the release
7. I was "horny"
8. It's fun
9. I realized I was in love
10. I was "in the heat of the moment"

Men

1. I was attracted to the person
2. It feels good
3. I wanted to experience the physical pleasure
4. It's fun
5. I wanted to show my affection to the person
6. I was sexually aroused and wanted the release
7. I was "horny"
8. I wanted to express my love for the person
9. I wanted to achieve an orgasm
10. I wanted to please my partner

Source: "Why Humans Have Sex." (PDF) Cindy M. Meston and David M. Buss. Archives of Sexual Behavior, August 2007.