"Well then!  Now would be the perfect time to practice."  He rolled off of her, beginning to remove his pants even before he stopped.  "If you can make me come in the oh... next three minutes.  I'll let you leave here fully clothed and intact.  I swear to you on my honor as a gentleman."<br/><br/>He didn't pull the pants down below his calves.  Last thing he'd want to do is run after her with his pants around his ankles.  "Come here.  Touch it.  Sure you've been curious about, say, your husband on your wedding night?  Think of this as your chance to take it on a trial run."