Women who do this during sex are more likely to be unfaithful

Scientists have found a major link between orgasms and cheating.A major study has found that the more frequently a woman fakes orgasm, the more likely she is to cheat on her partner.
Interestingly though, there was no link between women who had fewer orgasms cheating more - rather it was simply that women who were more likely to fake an orgasm were also more likely to be unfaithful.

Authors of the Human Female Orgasm As Evolved Signal study wrote:

'Faked orgasm was associated with female sexual infidelity and lower male relationship satisfaction.'

 In other words, fake orgasms say a lot more about a woman’s odds of staying faithful in her relationship than actual orgasms do.