Years ago, crossing a mini bridge where room for 2 cars, the guy in front of me basically did an emergency stop when there was no need due to an oncoming car and I went I to the back of him. No damage to his car, I smashed my front headlights, swapped details, as soon as I had his name and address in my hand I let it be known clearly that if there was any comebacks what soever I would be incredibly displeased, never heard nothing back, cost me £30 for a new headlight that I did myself