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

Sex swing

Scented massage oils

Temporary body paint

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

Mood lighting. Try a sega Homestar planetarium projector

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.

Weekend Box Office: LILO & STITCH Stays on Top as BALLERINA Opens to $25M - boxofficepro.com

Prostate massage.

Golden enema

Play sexy truth or dare card games.

Which animal has the best sense of smell? - Live Science

Write your own sexy truth or dare card games.

Mutual masturbation

Sex in public

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Here is another list

Sex in a pool

Titty fuck

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Golden shower

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

Short (5 minutes or less) quickies

What are some ways to identify and avoid logical fallacies, such as straw man and red herring, in an argument?

Sex with other couples (or at least near them)

Find porn or erotica that you both like.

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

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Sex on the beach

Outdoor sex under the real stars

Mutual massage which may or may not get erotic

Why do men like BBW? What is the attraction?

Sex club - watch, be watched or fully participate

TENS unit - electro shock

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.

Why are US customs agents so talkative? I cringed hard when a US customs agent asked me if I was on vacation. He doesn’t need to know why I went to another country as long as I am a U.S. citizen.

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

Long distance hot video chat with mutual masturbation.

Why was the rock band Kiss so successful?

Butt slapping as hard as they can take and enjoy.

New lingerie

Sex on the dining room table

What is the reason for writing X^2 as XX instead of X*X?

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

Nude co-ed sauna. (Russian banya)

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

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.

Meet other couples through a Lifestyle website.

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

Couples massage at a spa

Long (hour or more) marathons

Anal play

Hot tubs

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.

Induce squirting with the right techniques.

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

Candle wax play

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

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

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