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

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

Sex in a pool

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.

At what stage in your life did you realize, "No, I can't do this any more" and walk out? Why?

Play sexy truth or dare card games.

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

Mood lighting. Try a sega Homestar planetarium projector

What is your craziest/worst Halloween story?

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

Sex in public

New lingerie

Marathon isn’t going to be another Concord, Sony insists - polygon.com

Sex club - watch, be watched or fully participate

Temporary body paint

Couples massage at a spa

Is having white skin really that attractive?

Sex swing

Golden shower

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

Fruits and Veggies Boost Sleep Quality - Neuroscience News

Candle wax play

Find porn or erotica that you both like.

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

How do introverts celebrate their birthday?

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

Nude co-ed sauna. (Russian banya)

Meet other couples through a Lifestyle website.

Long-lived people have the same crucial blood biomarkers, pointing scientists towards new anti-aging treatments - Earth.com

Here is another list

Titty fuck

Sex with other couples (or at least near them)

Why would Joseph Smith say that polygamy was God's law?

Hot tubs

TENS unit - electro shock

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

My girlfriend lied and said she never gave oral until me. She was very skilled. I’m upset with her lying. Do I dump her?

Mutual massage which may or may not get erotic

Sex on the dining room table

69

Have you ever accidentally seen your mother-in-law doing something that was private to her?

Short (5 minutes or less) quickies

Long distance hot video chat with mutual masturbation.

Mutual masturbation

What is the correct way to say "my pleasure" in French in the context of having given a gift?

Induce squirting with the right techniques.

Butt slapping as hard as they can take and enjoy.

Write your own sexy truth or dare card games.

Golden enema

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

Anal play

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

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

Sex on the beach

Long (hour or more) marathons

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

Outdoor sex under the real stars

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.

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

Prostate massage.

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

Scented massage oils

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.