. My fear was that when she's showing strong signals of being more comfortable here than at the other place, that she's going to think I don't even care because I'm just happy to hang out and watch a movie or whatever
Do you mean b/c you aren't pursuing, she may think you don't care?
I hear a lot of LBH'S say this, but I can't think of a case where it was true. You see, when or if she is ready for it to become more than a friendship, then she will be the one to pursue you. The biggest problem I have read about is what I've already stated about the limbo. She may be satisfied to live with you as friends for now on. Or she may feel she should be able to see other men while living under the same roof with you.
If you can't handle those possibilities, and she starts talking about coming back to your place to live, you would need to state your personal boundaries about living in the same house. I've read where some women act as if they should be able to date, since she and H are just friends. But the H is flipping out b/c he never meant it to be like that.
That's why I say that WAS's version of "friends" can be quite differently from the LBS. And especially when the offer of "just friends" follows the crying & begging of the LBS. The LBS sees it as the last thread to hold to, while the WAS just wants some peace but may not trust the intentions of LBS. Make sense?
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!