Open communication and honesty and two of the most essential attributes of a healthy sex life.  Still, fake their big Os from time to time. No, really.  We’re not just saying that, studies have proven it!  But, what other fibs are lovers murmuring between the sheets?  We turned to the Whisper app for some answers and what we found may surprise you, to say the least.  Here, we highlight 15 lies people have told their partner during sex.