My wife and I were enjoying a scenic curvy road this weekend on the rolling sofa when a coupld of locals caught up to us and obviously wanted to travel the roadway faster than we were travelling it. Speed limit was posted at 45 and you'd have to really know the road to maintain that speed.
When I am on my sport bike and catch up to cagers on a curvy road, I appreciate it when they pull over and let me by. So, that is exactly what I did at the next available pull off. The cagers were happy, and I could get back to enjoying the road without pressure from the rear.
Sometimes not getting out of the way is a form of aggression.