How to help my employees to feel good at work and provide good results? What’s missing in my life? Why is my partner unhappy? How to help others? How to treat my business partners? How to choose the right work/career? A good system of needs should provide useful perspectives to all of these and many other questions. Moreover, I also show why Ikigai, self-determination theory or Motivation 3.0 are useful and can suck at the same time.