You may think you're King of the Sheets, but the reality is that most women have faked an orgasm at some point in their lives, and most men have bought it. You have a right to know when what you're witnessing is a performance rather than the real deal. If she's falsifying ecstasy, she's doing both you and herself a disservice. How will you know you need to fix it if you don't realize it's broken? Luckily, we've got your back. To make sure you're aware of your talents (or, ahem, lacking talents) we've put together a wildly useful list of sure signs.