Tell me what’s good for you and I’ll tell you how your life will turn out
Is crack good for you?
Are sports good for you?
Is being kind good for you?
Is being sociable good for you?
Is spending all your money good for you?
Ultimately, what's good for you don't matter. But it does determine how your life will turn out. The point of life is to do whats good for you. And what's good for you will determine how well you will live your life and how long you can keep doing what's good for you.
How can you choose what's good for you?
You cant. Your genetic markers and your epigenetics decide what's good for you. And they are influenced by your experiences, which are primarily impacted by your surroundings and the situation you find yourself. To change what's good for you, change your experiences. To change your experiences, change your situation. To change your situation, change your surroundings and the people you get mixed up with.