I find that being "openly hostile" to their interferences, to be my best policy.  Over the decades, they KNOW that however close they get and I am aware of them, that they have a world-of-hurt on their hands, and probably just annoy me.  In my early years, I had tried to "reason" with them, or try to find a mutually acceptable solution, but that was assuming that underneath it all, I was dealing with a "basicly good kind of guy"...  And I'd end up dealing with another one of their shitstorms.  Once I made it clear that we aren't ANY kinds of "friends" by our history, I got a little more "elbow room" to operate with, and that suits me fine enough.