The biggest influence in life is habit, so I think to get better results one has to develop better habits. Have you read the Stephen Covey book, “7 Habits of Highly Effective People”?
1. Be proactive
2. Begin with end in mind
3. Put first things first
4. Think win-win
5. Seek first to understand, then be understood
6. Synergise
7. Sharpen the saw
8. Inner self growth and development