The difference between investing and spending is that, when you spend, you don't expect anything in return, but when you invest, you are putting in something in anticipation for it to give birth to something better or bigger, so before you engage yourself in whatever it is you decide to give your time to, first off, ask yourself, is it worth my time, time is the most expensive and valuable commodity on the planet because you can lose money and get it back, you can lose a job and get another one, you can even lose love and get...