Firstly thanks Leo for sharing this information.
Yes, these are all real based exercises. I have learned all this exercise. It's about 2 years ago when I was self demotivate by others and they always try to low down my motive of life.
For this reason, I joined some spiritual life coaching classes for 2 months where the coaches teach me different exercises for self-motivation and inner peace. This exercise helps me a lot and it was exactly the same exercises that you have mentioned above.