The change is indeed stunning, Charley, and you have every reason to be proud of your accomplishments. Good job!
I didn't have as much work going in as many of the people here did, but here's my progress.
Starting at 5'4, 120 lbs.
And here I am recently, at ~100.
F 28/5'4/100 lbs
"I'm not a psychopath, I'm a high-functioning sociopath; do your research."