Driving me mad.

Yesterday I drove behind a gentleman along a quiet and far from narrow country rode. He kept his speed at between 20 to 25 miles per hour. I would have liked to overtake him, but it was never quite safe to do so. After about 15 minutes of following him at this speed, I felt a sense of frusration building up, but was not rude enough to display it. However, as we reached the outskirts of town and a 30 mph limit, he increased his speed to 40 mph. I sent him a thought message of intense disrespect.