18. Drive. Automobile horns exist to alert people who are about to collide. They are not, much to your surprise, fuck you buttons. Resist honking at transgressors several seconds after an illegal move just because you didn’t like it. That’s annoying for everyone. We all know they were wrong. Get over it. Now, a tractor trailor is about to merge on top of you crushing you and your ninos to death….horn. Definitely horn. Someone’s a little slow to accelerate at a green light…. patience.