I also like the idea that they had a something something during cursed SB. Maybe they can finally clarify just how much free will people had. Maybe Regina is struggling with Baby Henry, and along comes RH and saves her. And he’s good with babies. Helps settle the fussy guy down, changes the diapers, let’s Regina get some sleep. It starts to feel real to her, but she knows she’s holding him in a curse.
This is what I’m hoping for, some sort of interaction between them in SB past that relates to a child and them having a little connection/bonding moment over Henry. Would be nice foreshadowing if they plan to inject Tamara/Robin child/parent issues into the future relationship of RegalHood.
As for the aspect of her maybe considering it but she knows any connection isn’t real for him because he’s not really aware, we can inject her relationship with Graham into that scenario too. If she wants to start something with Robin, she has to end the thing with Graham, unless she intends to cheat on Robin, but if she thinks she could really have feelings for him, she probably wouldn’t want to go that route of cheating on him OR essentially using him, like her dysfunctional arrangement with Graham.