How Many Calories Do You Burn during Sex?

The following material contains mature subject matter. Viewer discretion is advised.

There's a new fitness tracker on the market designed to be worn during sex to track the intensity and the amount of calories you actually burn. The tracker even offers you tips and feedback on your performance!

Watch: When is Too Soon to Have Sex? 

The Lovely is a penis ring worn during intercourse, made of medical silicone, that syncs information to your smartphone. The ring vibrates to keep the blood flowing to the penis and to stimulate your partner. The app allows you to clock your duration, calories burned, positions tried, and how long it took to achieve orgasm. It even makes suggestions for future positions to try. 

"It's a little bulky looking for me," says ER Physician Dr. Travis Stork continuing with concerns about dependency"We've always talked about these items in the bedroom...if you use them too much, you can actually desensitize yourself to just normal everyday passionate sex." 

Dermatologist Dr. Sonia Batra says, "When it gives you these suggestions, you might actually talk to your partner more and it might stimulate that discussion as to what makes you happy and what satisfies you."  Research finds comfort with sexual communication is directly linked to sexual satisfaction. 

Watch: How Long Does Intercourse Normally Last? 

Researchers at the University of Quebec in Montreal found that foreplay and sex that lasted about 25 minutes burned an average of 79 calories for females and 100 calories for men. Dr. Stork says "That's actually more than I had presumed!" 

Lovely retails for $169 and was sold out on the first pre-order! Would you try this with your partner? 

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