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

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

Outdoor sex under the real stars

Nude co-ed sauna. (Russian banya)

I discovered the 5 plants that moles hate, to stop them from causing havoc in my backyard - Homes and Gardens

Sex on the dining room table

Sex with other couples (or at least near them)

Titty fuck

Is it possible to start a small scale domestic BPO (Call Center)?

Short (5 minutes or less) quickies

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

Sex in a pool

Which is the worst Bollywood movie you have ever seen and why?

Temporary body paint

Play sexy truth or dare card games.

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

In 2020, a Rogue Wave the Size of a Four-Story Building Hit the High Seas—It Was Never Supposed to Exist - Indian Defence Review

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

Golden enema

69

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

Candle wax play

Mutual masturbation

What's the most sordid activity you've ever seen or heard about at a bachelorette party?

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

Meet other couples through a Lifestyle website.

Butt slapping as hard as they can take and enjoy.

What is your response when someone says "how may I help you"?

New lingerie

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

Anal play

Why do men prefer women below the age of 30?

Mood lighting. Try a sega Homestar planetarium projector

Induce squirting with the right techniques.

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

Aston Martin announce Stroll to miss Spanish Grand Prix - F1

TENS unit - electro shock

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

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.

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Hot tubs

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.

Sex in public

Navigating some of the thorny questions of estate planning - NPR

Couples massage at a spa

Long distance hot video chat with mutual masturbation.

Mutual massage which may or may not get erotic

Can This Blue Chemical Really Boost Your Brain? Here's What We Know. - ScienceAlert

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

Sex club - watch, be watched or fully participate

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.

Sex on the beach

Find porn or erotica that you both like.

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

Here is another list

Scented massage oils

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

Write your own sexy truth or dare card games.

Golden shower

Long (hour or more) marathons

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

Sex swing

Prostate massage.