The 2nd reason is for mental health. While eyeballing Paleo, I learned it can improve mental health and eliminate the need for antidepressants. I was tired of changing drugs ever 3 months b/c nothing was working well. This WOE helped with both of my desires.
Then I found EMF after stalling starting last August (after 37 lbs lost on Primal/Paleo). I read what PaleoBird and Paula wrote and figured it was worth a shot. In 30 days I lost 11 lbs... all of which I'd gained at the end of last year. I was thrilled. So now I'm going to stick it out and see what else I can lose.
I am getting apprehensive about reaching goal though... I hear that's common.