- Try not to get married until after you're 30. By the your libido will have waned a bit, and you will have a clearer head and greater experience to see what kind of person you'd like to spend your life with
- Try not to have a kid until after you're 30. A kid cannot raise another kid
- Try everything. That way you get to know what you like/hate.
- Find something you're passionate about, and learn everything about it.
- Don't incur huge debts in your prime. Do not buy (car/house/woman/kid/plane/boat/land/friend) with credit.
- Use your money for experiences. Those you'll remember and cherish.
- Learn macroeconomics/history. You'll learn why the housing bubble occured, why we're in a great depression, and how China will become the next empire. Invest properly based on those learnings.