I miss my 144 at 5'5".Yep, not true. On 5'10" 165 thru 185 can be seriously "tight" weights. It's like 140 on a 5'6" to 5'7" female.
I have confidence I'll get there again.
I was on two sports teams, rode my bike everywhere as I had no vehicle and had a high libido boyfriend/relationship so repeating all that, I know I can get there again.
I have more muscle too now, than I did back then. I'm excited.
I wish the OP's fiance could look into giving up wheat and dairy. What an incredible and immediate change there would be.
The hair loss would stop and as in my case, going gray-er gets arrested. Skin tone, good digestion and better mood and high energy all return.
In the pictures, her body simply looks inflammed from these food allergies that contributed to weird weight gain.
Wheat Belly and Grain Brain are two excellent books to get started. There is incredibly supportive wheat belly facebook groups too, that the OP can tell her about.