Thank you, Ziggy! If anything I'm a bit self conscious about my girl's weight. I feed pretty sparingly and small meals. She's never had a medium rat in her life and has been taking smalls every 10-14-? days. That will change this summer, maybe sooner than planned. I don't really have a schedule per se. I set a frequency of 12 days in my SnakeKeeper app and use that as a rough guideline. Sometimes I add a week and sometimes I'll feed a couple days earlier.
They can definitely handle a bigger meal than they'd let you think and grow faster than other Boa species from what I can find on that subject. This is even mentioned in The MORE Complete Boa Constrictor about them growing large and more quickly than others.
She's most definitely rounder than my Pokigron Suriname boy. Your girl doesn't look overweight at all to me either, Zig. Like I've mentioned before, I think I'm just a bit gun shy about feeding frequency and size after feeding the holy bejeezus out of my retics a few years ago to combat their pushing issues. Feeling a bit more comfortable about letting the current critters feast through the summer and then dial it back and fast them through the winter.