Yeah... my brother is that guy. The latest greatest was he swore up and down with our other brother and I that you can adjust (brighten/dim) the headlights with the dimmer switch on the dash... not the highbeam switch mind you... the dimmer switch.
When we got back to his house I guess he conveniently forgot to show us the error of our ways.
A free people ought not only be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government. -George Washington