People are in such a hurry it seems....and have so little patience for others.
Since my dx I have become more tolerant with others driving "styles" because I know mine have changed drastically. I don't drive too much anymore but when I do I stick to the slow lane (if there
is such a thing anymore

).
Even when I go the speed limit people get right up on my tail. When they do I just flip the rearview mirror up so I don't have to look at them rising my bumper.
I hardly ever blow my horn unless it's to scare a squirrel out of the road or some other animal. I did blow my horn last week at a pig in front of me who threw trash out his window while driving.