It’s official: Science has now proven that sexual satisfaction can be described in mathematical terms. Researchers at the University of Manchester recently uncovered the key to boosting sexual pleasure, and it all comes down to a concept called “optimal sexual time.” By accounting for the time both partners need to be aroused, the researchers were able to map out an equation that could predict how long intercourse should last for maximum satisfaction. The findings suggest that couples should aim for a duration of about 7 to 13 minutes for best results.

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source: Phys.org