This is so true and I'm the same - wouldn't want to be plenty of 'high' achievers I've come across in my career. Especially the divorced, friendless, signed-off work with stress ones :) Same with celebrities, wouldn't want to be famous what so ever given the crap most have to contend with being...
You'll discover whether your boss is an ******** or not. If they're the former, my advice would be to find a new job because life really is too short to work with such people. Don't leave it until they grind you down, too late then and you'll possibly have even bigger problems.