What did you do to find your purpose?
I encourage you to read following books: 1. Mindfulness in plain English 2. As a man thinketh 3. Self reliance (essay by RWE) 4. Wherever you go, there you are 5. The monk who sold his Ferrari 6. The alchemist 7. Wind, sand and stars 8. The heart and the fist 9. The little prince 10. The phantom tollbooth
If you think you don't have the time for all, just only read the first one.