Humans are impatient creatures. We want what we want now. We want results, and we want them now. We don’t want to wait for anything – especially if it involves money. We do not have impulse control over our wants. Unfortunately, some of the best ways to save money in the long term, such as saving for retirement, require us to practice patience and make sacrifices, and practicing impulse control, and some people just don’t want to do that.