The opposite of a muse
newyorker.com
newyorker.com
As an aside, I've found that models fall into two broad classes - those who refuse to do nudes, and those who prefer to do nudes. My first model who didn't come from within my own circle of friends (we were introduced by a mutual friend for a project I had) was actually kind of baffled by the idea of non-nude modeling - why would anyone want to wear clothes for art? And she was stunning. She actually rarely works with other photographers, mostly photographing herself (I refuse to call that work "selfies"). At any rate, the impulse to model nude, and to build a personal portfolio, is just as normal as any other artistic interest.
It's a double-edged sword.
Interesting lady.