Hey, brogreg:
This has happened to me, too, but the 'fix' is the "Remember Me" button, as described.
In general, when typing any text into any website (including Hotmail and Facebook), I've learned to periodically do a copy (Contriol-C), so that I don't lose anything. I'll even paste text into Word or Wordpad to be sure. If it's a long post, consider writing it up in a word processor (maybe with spell checking), then paste onto the web site.
Looking forward to hearing your story!
CT Challenger