How long minimum each session

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1.https://youtu.be/y6hqcWkkB0c [Open]

I apologise it is in Spanish. The gist of it.
> she claims she does a sexual diet having sex minimum three times per day to burn 560 calories and she never goes to the gym. Min 2.50.

2. http://dailym.ai/29xkCgP
How many calories do YOU burn during sex? Take this test.

3. https://www.womansday.com/relationships/sex-tips/advice/a1922/8-sexy-ways-to-burn-calories-110923/

In the youtube video the girl changes him with a bull because after 5 months he couldn't keep up. She demands sex at least the times per day to accomplish the 560 burned calories.

How long should each session of sex last to burn the 560 calories?