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

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

Scented massage oils

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.

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Long distance hot video chat with mutual masturbation.

New lingerie

Find porn or erotica that you both like.

Hallucinogens Linked to Milder PTSD - Neuroscience News

Sex in a pool

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

Anal play

Why do men like to suck another man’s dick?

Candle wax play

Write your own sexy truth or dare card games.

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

Why did my ex replace me so fast?

Outdoor sex under the real stars

Sex with other couples (or at least near them)

Long (hour or more) marathons

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Hot tubs

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

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

Fishing is a popular pastime on many US beaches. What is a type of saltwater fish commonly caught from piers or by wading (flounder, redfish, etc.)?

Mutual masturbation

Sex on the dining room table

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

How should one respond to compliments such as "You are so special" and "I'm lucky to have met you" from a guy?

TENS unit - electro shock

69

Couples massage at a spa

Why did McLaren hope that the Ferrari pair would pit twice during the Italian Grand Prix?

Sex club - watch, be watched or fully participate

Temporary body paint

Sex in public

Scientists identify time and location of first humans who made tools and harpoons out of whale bones - Earth.com

Play sexy truth or dare card games.

Golden shower

Mood lighting. Try a sega Homestar planetarium projector

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Nude co-ed sauna. (Russian banya)

Sex on the beach

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

How many trans people are lawful gun owners?

Induce squirting with the right techniques.

Golden enema

Titty fuck

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

Mutual massage which may or may not get erotic

Prostate massage.

Butt slapping as hard as they can take and enjoy.

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

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.

Meet other couples through a Lifestyle website.

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

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

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.

Sex swing

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

Short (5 minutes or less) quickies

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

Here is another list