JMO but hasn't GAG already let go when she and her XH divorced?

To me it sounds like she's in the process of building a new R with him. Just like when you begin dating someone you really don't know where the R will go.

GAG's getting to know the new XH. Who knows, maybe she'll find out that he's now someone she would no longer want to be in a long term R with.

Her XH is dating. He's told her he's not interested in a long term R with the woman he's dating now. If it was a serious R, why would he risk playing TT with GAG and having her find out?

Sounds like her XH is trying to sort out his feelings. As long as GAG is still living her life, what's the harm in seeing where this leads if she wants to?