Improve her body

"Lose, hmm, let's see, twenty pounds," he instructs, "I like your curves, babe, but you've been getting a little too thicc lately."

Ruth gasps as her body gets visibly slimmer, especially her thighs and ass.

"Nice," Michael grins before continuing "Now get ten, no, fifteen years younger."

Her body obeys, even as she protests it's impossible. In seconds, she's regressed back to the toned pre-baby body she'd had in her twenties. Her face though, remains untouched, still showing the fine lines of her maturity.

"Okay, that's what I thought," he nods to himself, "the collar is only affecting you below the neck. I guess you get to keep your own face and your free will for now..."