reason for sex

people say, we only can have sex with someone we love.to simplify, we have sex for love. but there are lots of other reason for sex. heres among the one that i can think of, feel free to all more

1. i-can't-sleep sex
2. make-up sex
3. revenge sex
4. rebound sex
5. paratrooping sex, also known for banging-for-roof sex
6. nothing-good-on-tv sex
7. break-up sex
8. your-friend-just-told-you-about-new-position sex
9. hotel-ro0m sex
10. curiousity sex
11. he-say-he-love-you-but-you-are-not-ready-to-say-it-back-yet sex
12. wingman sex
13. condom-are-about-to-expired sex
14. wow-its-getting-a-little-hard sex
15.