The key to a happier life, as Albert Einstein said, is to tie your life to a goal -- not to people or things. We all have goals we aim to achieve, from getting a degree to traveling around the world to losing weight to spending more time with our family. When you make your happiness contingent upon the acquisition of material possessions or the approval of others, the quality of your life takes a nosedive. For one, material stuff rusts, wears, and tears. Sure, it's always nice to get a new phone or car, but the novelty of the item dissipates quite fast. Before you know it, that phone or car is giving you problems. People who feel they have to be the first to obtain the latest and greatest gadgets will never be content, and it's likely because they're trying to stay ahead of their peers. In the end, buying loads of expensive products you may not even need does nothing but eat away at your bank account and credit. Typing your happiness to other people is similarly ...