"Success means many wonderful, positive things. Success means personal prosperity: a fine home, vacations, travel, new things, financial security, giving your children maximum advantages." by David J. Schwartz
A successful life is a compilation of successful months, days, minutes, and seconds, which, in the end, translates simply into a compilation of successful tasks. Your end goal is Happiness, which generally is defined as: Health, Wealth and Love, in that order. You need to maintain a balanced life between the spiritual, mental and physical realms of your being. The main departments of your life to create success metrics in are: health and wellness, personal growth, family, money, career, relationships, and spirituality.
As great material comfort is quite important and legitimate, because you live in a material body. We need to be as much at ease at we desire in order to express our being and potential fully.
Focus on the journey, rather than the achievement. Money is very important in our modern society. However, you should desire money for the sake of it. Desire to accumulate money for its purpose: a means of transaction. No matter how much of it you desire to possess, keep money in its right place. Always remember money is a good servant but a very poor master. So, what is your definition of success?