What are some of the "unspoken rules of sex"?

“Pee afterwards.”

— the_ordertaker, reddit.com

“Don't criticize your partner for shit they can't change. 'You're taking too long' is an instant mood killer.”

— TenthSpeedWriter, reddit.com

“Sex is about vulnerability. Have a little courtesy and turn the lights down low. You may look like as ripped as a headline from a Law & Order episode but now is not the time to show off. Narcissism and intimacy make for strange bedfellows, so never mix the two.”

— laterdude, reddit.com

“You should definitely tell a potential partner about any STDs, even ones not actively in outbreak mode.”

— SpottedPaws, reddit.com

“If you leave a present inside of her, it's your job to get tissues to help her clean up after you get out.”

— paddirn, reddit.com

“1. Always ask before going in the butt 2. Never go A to M 3. You are responsible for your own orgasm 4. Condoms are expected 5. Asketh for head only if thou dost offereth as well 6. A warning is customary to whoever is going down on you, that you are about to cum 7. Sex is not the time to bring up a…”

— justice_warrior, reddit.com

“First to cum finishes the other.”

— ALWAYS_TELLING_LIES, reddit.com

“If you want to use the back door, it is nice to knock first. Don't just go barging in there.”

— lisaslover, reddit.com

“Have a towel handy cuz we are not changing the sheets tonight!”

— plax1780, reddit.com

“No throwing up.”

— R0bertBrownieJr, reddit.com

“If you are unsure of their name, don't guess.”

— beat_children, reddit.com

“If you can laugh during sex, you're doing it with the right person.”

— Ispankyougood, reddit.com

“If she's down for a facial, be courteous and don't get it in the hair.”

— bolognahole, reddit.com

“Warn her when you are about to cum while she is giving you head.”

— nujurzy87, reddit.com

“If the fun parts look like corned beef hash or under cooked hot dog then don't criticize them in the moment.”

— judasmaiden15, reddit.com

“Trim your nails.”

— Mackin-N-Cheese, reddit.com

“If you can't think of anything sexy to say, don't say anything at all / just make noises appropriate to your enjoyment level. 'Your penis feels amazing!'" 'Y-y-you too.'”

— freindforever, reddit.com

“Don't joke about her sister joining in.”

— FrankBurlyPI, reddit.com

“If it's a one night stand, and she says you don't have to wear a condom, you should definitely wear a condom.”

— freindforever, reddit.com