There's also the interesting idea of "don't disturb your contentment," to paraphrase. Drive a modest car and be happy; don't rent a fancy one or you'll start wa

There's also the interesting idea of "don't disturb your contentment," to paraphrase. Drive a modest car and be happy; don't rent a fancy one or you'll start wanting it. Each person has to decide which things are worth splurging on. But the answer can't be "everything." Keeping your expectations low in some areas is a good idea - and if those areas are expensive ones, like car and house, all the better.