What is the most frightening thing thats happened to me?

I can honestly that nothing real frightening has happened to me. If I had to say something frightening it would probably be when I nearly rolled my quad down a 75ft hill. It was upp in the forest and I was going t fast up the hill and my tire caught a rock and nearly caused the quad to flip over. After it just gave me a rush of adrenaline but it wasn't fun while it was happening.