6 years is a long time, you won't get over this fast.
But on the plus side, he's like 20 years older than you and unless he was supporting you financially, you are now much better off as I guarantee you that if you're smart, have no kids, don't live in the ass-end of nowhere, have a job and look the way you do, you can grab yourself a person with twice the man points he had within the week.
Try online dating, see who's out there. You'll have dozens of guys waiting in line just for a chance to date you.
But you probably knew that already ; )
If I was that dude, I'd be sad, unless you're fucking insane, in which case I also would have run away. Haha.