In 1972, a small boy sat at an unassuming table. In front of him was… a marshmallow. The premise was simple. Wait 15 minutes to eat it, and he would get one more. Or… he could eat it now and he wouldn’t get an extra marshmallow. You may have already heard of this experiment. Conducted by psychologist Walter Mischel from Stanford University, the iconic test measuring delayed gratification was then used to link the ability to delay gratification with success later in life via a variety of measures (e.g., good SAT scores, better prepared for adult life, etc.). And the world of investing is no different. Here are three ways that delay gratification will help you as an investor. 1. Saving vs. spending Its hard to invest without capital. Its also hard to save money when your country (Singapore in my case) has a relatively high cost of living and Apple seems to come out...