Anonymous wrote:There's thin and fit, and then there's downright emaciated. I know she has a disorder, but I don't know how one can deny it for so long, and not work on it once they have kids.

She may be "working on it" but eating disorders are notoriously difficult to overcome. You can't just will yourself to be better.
My DH's sister voluntarily went to therapy, doctor's appointments, dietician appointments, etc for years before she was able to recover.She even willingly went to two inpatient treatment centers.She'd do better for a while then have a setback & not be able to stop the downward spiral.She eventually recovered but it took a very long time & she had to try several different treatment providers, all of whom had different approaches to treating anorexia, before she was found an approach that worked for her.That's another tricky thing about eating disorders --they are so complex, not very well understood even in the medical community, & there are so many different theories on the best way to treat them,none of which work for everyone.