I think you have the best approach in theory. So many people push themselves too far by trying to get to an arbitrary number- 120 pounds, or their weight in high school, or a size 2, etc. I don't have the experience to support this, though. It just seems to me like you will find a place where you are comfortable.
"Things are as they are. Looking out into it the universe at night, we make no comparisons between right and wrong stars, nor between well and badly arranged constellations." - Alan Watts