It's interesting to read what approach to eating works for different people...

I am thinner than I was in high school- I was around 130 in high school and 117 now, but I'm only 5'1" and I would like to be around 110-112. (I'm 55). I have been in the 140-145 range most of my adult life, but was 149 when I went back to Weightwatchers in Jan 2009. It took over a year with WW and cycling to 112, and I maintained for about 6 months but it crept back up to where I am now. For me, it seems to be reducing sweets, portion control and tracking- I don't notice that specific foods make me gain weight, but salty foods make me gain water very quickly.

When my husband switched to a paleo diet, I couldn't imagine it for myself- I just don't crave that much meat and the restrictions would have caused such a drastic shift in eating that I had no desire to try it myself.