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

Nude co-ed sauna. (Russian banya)

Anal play

Sex swing

What is the reason behind some people referring to themselves as "nice guys" instead of simply being nice?

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

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

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

After a Century of Searching, the Source of Mysterious Space Rays May Be Revealed - The Daily Galaxy

Sex in a pool

Couples massage at a spa

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.

What's the most incredible coincidence that ever happened to you?

Candle wax play

Long (hour or more) marathons

Mutual masturbation

'Kindness isn't a weakness,' Steve Carell tells Northwestern grads at commencement - Chicago Sun-Times

New lingerie

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

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

Nintendo: Please don’t remove film layer from Nintendo Switch 2 screen - My Nintendo News

Write your own sexy truth or dare card games.

Short (5 minutes or less) quickies

TENS unit - electro shock

How has Sanskrit influenced modern Tamil language, particularly in terms of vocabulary?

Butt slapping as hard as they can take and enjoy.

Golden shower

Sex with other couples (or at least near them)

Powerful solar flare erupts from sun triggering radio blackouts across North America (video) - Space

Play sexy truth or dare card games.

Mood lighting. Try a sega Homestar planetarium projector

Titty fuck

Paulina Porizkova’s ‘Seriously Unflattering’ Selfie Is to Remind Fans of One Lesson: ‘This One Is for You' - SheKnows

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

Find porn or erotica that you both like.

Meet other couples through a Lifestyle website.

Does red light therapy do anything inside the body, other than just the skin that receives the light? Are there any obscure health benefits?

Golden enema

69

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

DOOM: The Dark Ages | Update 1 Release Notes - Slayers Club

Here is another list

Hot tubs

Sex on the beach

Early visions of Mars: Meet the 19th-century astronomer who used science fiction to imagine the red planet - The Conversation

Temporary body paint

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

Scented massage oils

OnePlus Watch 3 gets a smaller 43mm size alongside new Buds 4 in the US next month - 9to5Google

Induce squirting with the right techniques.

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.

Researchers Uncover Fossils That Completely Challenge What We Thought We Knew About Prehistoric Reefs - Indian Defence Review

Sex on the dining room table

Outdoor sex under the real stars

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

Scientists Fear a Passing Star Could Fling Earth Out of the Sun's Orbit, Into the Frigid Expanse Beyond - futurism.com

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.

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

Mutual massage which may or may not get erotic

US lawmakers fire back a response to Trump's NASA cuts - theregister.com

Prostate massage.

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

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

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

Long distance hot video chat with mutual masturbation.

Sex club - watch, be watched or fully participate