What are some fun/kinky things to do with your partner?

Mood lighting. Try a sega Homestar planetarium projector

Sex with other couples (or at least near them)

Forced hydration. Drink water during sex until you lose bladder control.

Cosmic Dawn with Nobel Laureate John Mather - NASA (.gov)

Hot tubs

Sex in a pool

Food play (sploshing) - including washing her off in the kitchen sink.

6 "Bad" Fruits You Should Be Eating for Weight Loss, According to Dietitians - EatingWell

Take a sexy shower together. Soap makes pretty good anal lube and clean up is easy.

A sexy walk in the park at night, when nobody else is around

Open her up with a speculum and see what's inside. Give her a mirror or take pictures for her.

Circle’s buzzy IPO was a big hit. Now comes the hard part. - MarketWatch

Prostate massage.

Write your own sexy truth or dare card games.

Sex on a hard floor or rug rather than a soft bed

Can someone fall in love with a person they have never met in person, but only through thoughts and imagination?

Play sexy truth or dare card games.

Sex swing

Titty fuck

US moves to relocate non-essential personnel from the Middle East amid heightened security concerns - CNN

Nude co-ed sauna. (Russian banya)

Pregnancy play. Ask a woman who's stopped menstruating but wishes she could have more kids whether she wants a boy or a girl just before cumming inside her.

Golden enema

Sloths The Size of Elephants Roamed America, Before Abruptly Vanishing - ScienceAlert

Outdoor sex under the real stars

Induce squirting with the right techniques.

Scented massage oils

What are the ten cars that make me no longer feel inferior?

Meet other couples through a Lifestyle website.

Short (5 minutes or less) quickies

Couples massage at a spa

Is there a free AI I can use?

Bite hard on a tough part of you partner's body, like their heel without breaking the skin. Endorphin rush

Hair play. (Cowgirl, brushing her long hair over his skin and face)

Snowball - cum inside her vagina, go down on her and suck it out, and then kiss her and shove your own spunk in her mouth.

11 Sneaky Reasons You're So Gassy, According to Experts - EatingWell

Sex on the beach

Temporary body paint

Mutual massage which may or may not get erotic

How do you confront your own family for not inviting you or leaving you out of things?

“Rescue” sex - partner lets go and is about to do something dangerous but hold them back at the last second. This takes trust.

Long (hour or more) marathons

Try different sex positions - Read and go through the Kama Sutra.

Take a sensual shower together. Rub your soapy body all over theirs.

TENS unit - electro shock

Candle wax play

Anal play

Sex in public

Canibalism - eat a tiny piece of each other - typically a nip of you ass cheek. This may leave a small permanent mark, but it was in love.

Butt slapping as hard as they can take and enjoy.

Golden shower

Mutual masturbation

Sex on the dining room table

Long distance hot video chat with mutual masturbation.

Fall asleep spooned up, coupled. Can you stay that way when you wake up?

Sex with good friends but not lovers. Keeping the balance is tricky.

Here is another list

Sex club - watch, be watched or fully participate

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New lingerie

Find porn or erotica that you both like.