Bet the mess is still wet on the back of his leg! Been there, lesson learned, at a slower speed fortunately! The sway started on a downgrade because the tail heavy trailer with tree removal debris was trying to pass the vehicle. Swerved pretty heavy, but never pulled a ground loop... Learned later this can be powered through and stopped on an upgrade, but that goes against one's instinct. We installed a trailer brake control, which helped immensely a second encounter, but always pay close attention to loading practices since. See signature below!
Good judgment comes from experience, and a lot of that comes from bad judgment. Will Rogers