I empathise with you right now. Seems that when they leave your expectation of them behaving in a decent and considerate manner can go out the window too.
I don't know what goes on upstairs in the head of someone that once said they loved you, to end up behaving in a manner that's anything but even how they would treat a stranger.
I do know that they're behaving and very much in a child like mindframe.
Denver is right, change the locks.
Well, she has a garage remote, so I'm going to reset it later. Technically she still is a legal tenant until tomorrow (Feb 28) because her name obviously and mine are on the rental contract. Do you think she can pull that card?