Hummer owners put their vehicles to the test in swamps, marshland, mud pits, rocks, ditches, mountains and the like. The owners like it even better when it get's stuck in the mud and have to use the winch to pull it out. They also get at least waist deep in it, themselves. A personality transformation takes place. It can be tamed by high level degrees, dark suites and neckties, but it won't go away.
Chest hairs sprout.
Teen-era testosterone levels regenerate. The intellectual centers begin to shrivel up. Obstacles become adventure. The GM diesel V8 and the MT tire noise conjures up a hellish racket appropriate to moving out a battalion bent on destruction, but out of tune with a commute. There is plenty of insualtion and sound deading material to carry on a normal conversation.