Endo sucks. I have it, and I consider myself a well-informed citizen, and let me tell you. No Fun, Whatsoever.
If you don't know what it is, click this site is a pretty good resource. Click at your own risk; it ain't pretty, folks.
But don't worry endo sufferers, things are looking up!
According to this article about an Italian study, women with Endometriosis are considered to be more attractive, as per the results of a very scientific study.
I'm fine with it! More attractiveness for me!