If STBX is still in a fog, we are giving her a ton of credit, like she has a process akin to our DB and is keeping wayward tally marks or something.
How much keen strategy does one need to follow the basic laws of human attraction? She cheats on you, you pull back and establish your boundary, and she seeks to reattract you in order to get back the power equilibrium. It's basic "push-pull" dynamics, and she doesn't need a degree in quantum physics to play it.
