Most Helpful Guy
What a convoluted relationship!
Both of you have/Each of you has the tools to write a book on manipulation.
Boundaries, boundaries, boundaries!
Neither of you has them.
You. Want. To. Know. What. He's. Up. To...
Why? If he's an ex you shouldn't care.
Advice: Have a good, long talk with him. Find out expectations. Set boundaries.
If you don't, this drama has no chance of ever ending...
However, that doesn't seem to be what you both want.