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

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

Sex on the beach

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

What are some good interior design tips for mixing lots of colors together in a room?

Golden shower

Mutual masturbation

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.

Taking a realistic look at terraforming Mars - Phys.org

Titty fuck

Sex with other couples (or at least near them)

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

How do the police verify the authenticity of an online profile? What methods do they use to determine if a profile is real or fake?

Sex swing

Scented massage oils

Hot tubs

Why do you think most harem anime and manga have lame male protagonists that would be considered losers and pathetic by most people?

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

Prostate massage.

Sex on the dining room table

Startling Health Risk: “Normal” Sodium Levels Linked to Heart Failure - SciTechDaily

Sex in a pool

Couples massage at a spa

Write your own sexy truth or dare card games.

Is it helpful to justify the reason for a breakup when ending a relationship?

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.

Nude co-ed sauna. (Russian banya)

Mya Lesnar, daughter to WWE legend Brock Lesnar, wins national title in shot put - ESPN

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.

Play sexy truth or dare card games.

Induce squirting with the right techniques.

Renck: If J.K. Dobbins stays healthy, he’ll be reason Broncos win AFC West - The Denver Post

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

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.

Adopting the MIND Diet May Lower Dementia Risk at Any Age - Neuroscience News

Here is another list

Find porn or erotica that you both like.

Mood lighting. Try a sega Homestar planetarium projector

Microsoft confirms auth issues affecting Microsoft 365 users - BleepingComputer

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

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

How do you get the most out of red light therapy?

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

Long (hour or more) marathons

TENS unit - electro shock

Solar Stocks Dive As Senate Bill Keeps Cuts To Solar, Wind Energy Incentives - Investor's Business Daily

Sex in public

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

Mutual massage which may or may not get erotic

Anal play

Golden enema

Temporary body paint

Sex club - watch, be watched or fully participate

Candle wax play

Long distance hot video chat with mutual masturbation.

New lingerie

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

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

Outdoor sex under the real stars

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

Short (5 minutes or less) quickies