So IH at this point I think one of a few things is going on:
1) She misses your friendship and so wants to friend zone you. I find this unlikely. This is what social media is for. You can be "friends" on FacEvilBook.
2) She wants to R. While this is more likely than 1, her behavior has me questioning this a bit. Though it could be she is wanting you to pursue, something I am not sure you should do at this point. But some of her behavior has me thinking R is something she is at least open to.
3) She is horny and wants some, and you are the most likely recipient because of your history. Woman in their 40s sometimes aren't open to someone new, they want to rekindle with an old flame. I had an ex-gf pull this with me several years ago. I had to flat out tell her that I was married and it wasn't happening. She even told me at the time she was only open to a sexual relationship with someone she had "history" with. (Oh and she is married too.) To me this is right now the most likely. This would explain the contradictory actions on her part. But it also would explain the calling you into her bed, and sending you the suggestive pic.
You've probably already considered 1 and 2, but maybe not 3. It came to me while watching an old Everyone Love Raymond where Roberts XW started coming around but only wanted no string attached sex with him. I thought of your sitch and a lightbulb went on my feeble brain.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018
