Here's a lesson for men who want perfectionism in everything -- even in the bedroom! Researchers have found that setting exceedingly high standards of performance between the sheets may put your sex life in jeopardy by causing sexual dysfunction in your female partner. Partner-prescribed sexual perfectionism can lead to decrease in female sexual function regarding arousal showed the findings published in the journal Archives of Sexual Behaviour. The study led by professor Joachim Stoeber from the University of Kent in Britain also found that partner-prescribed sexual perfectionism contributed to negative self-image. (Read: 9 things all virgin men should know about