"My husband left us alone on purpose. "
Girls Night Out!
See more at: http://mygfasaslut.tumblr.com
Your wife is right, of course. You've never been able to satisfy her -- and your best friend always can. So as much as you wish you could have satisfying sex with her, you know she would much prefer for you to call him to come over to do for her what you're unable to.
Fun Fact: I was surrounded by six guys, waiting for their load.