As you say, ovr, no one knows. I am accepting more fully that life provides no easy, single, coherent narrative either (1) to explain W's behavior; or (2) to guide my response to it. I have to trust her with (1), as I have no control over narratives she tells herself.
As for (2), I am struggling--day by day--to create that narrative, which must be consistent with my soul and the best version of myself. So far, the narrative that resonates is: be patient. Do not walk away now when W needs me most, even if she does not realize it just yet.
I understand I'm risking a lot of heartbreak if she never does. I'll cross that bridge if and when my narrative changes.