I just heard this author interviewed on a Science Friday podcast. VERY interesting, but I am a little late to the discussion and plan to get the book this week.
As for goal weights, honestly, I just picked what I thought I could maintain with some effort. I am at the weight right now that I maintain easily. It is hard for me to get over 154 and it is hard to get under it. Maybe this should be my goal.
Eating the best food in the worst portions.