Oh, I know this is extreme and super unhealthy. Believe me, I know. But a few months ago I would have actually acted on this and texted either her or AH and raged on about how angry this makes me. I haven't done anything about it but vent here. Baby steps, but it is progress.
For the most part she's out of sight and out of mind. This feels like an invasion and it makes me piping mad and dredges up all of my past hurts from her. You know the saying "hurt people hurt other people"? I'm hurt, and my initial reaction is to hit her back. I never have though, I always take the high road and try to hide the steam coming out of my ears while doing so.
I guess throwing it away elicits zero response while returning it gives me some satisfaction of hitting her back. I'll just throw it away.