Twins', that scale info just sounds VERY positive to me. Impressive. It would be hard to argue that moving to a better category isn't really good (although I think those arbitrary "lines" between labels are not always helpful). I don't know if muscle mass corresponds to weight in that they decrease together, but it does seem possible. Your trainer's input sounds so positive, too. And if you are feeling strong, that's even better. I'm happy for you.
Nancy, you have moved to a new level of expectations of yourself! But just think, because you pressed yourself back then, you got more stamina and can do more now, so those days were important days.
I took my current circular habit tracker to my annual physical and my doctor really stared at it, reading. He said, "you eat the things I tell my patients to eat", as if that had never happened before, lol. He also took extra time and really listened to me. One of his main written questions ahead of the appt had been, "Do you have a good support system?" So, I asked what does that mean? My family is great but as far as community, my IRL community has shrunk from big to small now that I don't feel welcome/right in the church I attended for decades. (Actually, I did tell him about posting regularly with friends! ) He was downright sad about the church, I think. But then, it is pretty sad.