I started out 25+ years ago with the good neighbor attitude. Then I realized that a predator/prey relationship had been established and I still put up with it for awhile. Then I got chapped and became a jerk. I found that people would push until I started pushing back.
Now, my neighbors have a 100% understanding that we both know where my property lines are.
I much prefer the current arrangement. It helps me sleep nights.
I have to agree with DD1 I'm glad I'm not the only one!