1.
Painful "we don't know about lube" sex.
2.
Awkward one-position sex.
3.
"After this sex I'm going to have a shaving bump that we will both think is herpes and freak out" sex.
4.
Trying to do some crazy Cosmo sex-tip sex.
5.
Haven't figured out that hot tubs aren't a good place to do it sex.
6.
"I'm too good for you but we're in high school so I don't know it yet" sex.
8.
"I don't know my limits with alcohol yet so I'm going to get super sick after this drunk-sex" sex.
9.
"Parents are out of town" sex.
10.
When you're not sure what an orgasm even feels like/"Did you come yet?" sex.