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.

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.

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

Why do girls in Indian top colleges wear shorts?

Golden enema

Mutual massage which may or may not get erotic

Sex on the beach

Clint Eastwood Shades Era of Remakes: Do Something New or Stay at Home - Variety

Nude co-ed sauna. (Russian banya)

Long distance hot video chat with mutual masturbation.

Mood lighting. Try a sega Homestar planetarium projector

Are you more of a butt guy or a boob guy?

Long (hour or more) marathons

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

Sex swing

Gage Wood throws third no-hitter in Men's College World Series history, keeps Arkansas title hopes alive - NCAA.com

Sex with other couples (or at least near them)

Sex on the dining room table

TENS unit - electro shock

Apple’s SVP Of Software Engineering Craig Federighi Wants To Maintain The iPad’s Simplicity, Making It The Best Touch Computer, As He Responds To The Possibility Of These Tablets Running macOS - Wccftech

Mutual masturbation

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.

Write your own sexy truth or dare card games.

He led George W. Bush's PEPFAR program to stop AIDS. Now he fears for its future - NPR

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

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Here is another list

Can CCTV cameras be integrated with other sensor technologies for enhanced security solutions? If so, how?

Scented massage oils

Candle wax play

Prostate massage.

Scientists Uncover Giant 33-Foot Dinosaur That Could Redefine Jurassic Evolution - Indian Defence Review

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

Butt slapping as hard as they can take and enjoy.

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

How do you deal with neighbors who are always telling you what to do?

Sex in public

Sex club - watch, be watched or fully participate

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.

Checkers Sweep Laval to Earn Trip to Calder Cup Finals - Charlotte Checkers Hockey

Play sexy truth or dare card games.

New lingerie

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

What can anal toys bring to straight men?

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

Hot tubs

Temporary body paint

2-million year-old pitted teeth from our ancient relatives reveal secrets about human evolution - The Conversation

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

Short (5 minutes or less) quickies

Anal play

Why do people keep saying they have evidence and have presented it that proves you're wrong even though they have none and haven't presented anything? Furthermore, what do they think you're wrong about?

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

Meet other couples through a Lifestyle website.

Outdoor sex under the real stars

The Black Hole Universe: New Model Suggests The Big Bang Was Not The Beginning Of Everything - IFLScience

Golden shower

Sex in a pool

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

Find porn or erotica that you both like.

Titty fuck

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

Induce squirting with the right techniques.

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