Well, if you work in the same office as her, people usually know a little about each others personal lives. Its just common knowledge when you work with the same people for an extended period of time.
Should have flexed your arm for her. ![Cheesy :D](http://www.getbig.com/boards/Smileys/classic/cheesy.gif)
You're assuming a lot to assign some sort of character flaw here, like I have a wandering eye
what if In sold insurance or cars, and she was a customer. Do I open with "sorry ladies, but I'm taken" . that must be one potent sales technique