I could say something woo-woo, like "Trust everyone until they give you reason not to" but I won't. Accept that you do have trust issues and it's not all because of your XW.
I have authority issues too.
You're going to be OK cause you keep working on it.
Me 57/H 58 M36 S 2.5yrs R 12/13
Let me give up the need to know why things happen as they do. I will never know and constant wondering is constant suffering. Caroline Myss