There are superior beings in this universe you are not aware of, but it is possible. How do you get more happiness? Three things, a shaviira vishaa loca. You need an adequate body for enjoying more happiness. There is more happiness in these higher realms called heavens. But the human body cannot take that kind of happiness. The human body would die. It's like passing a millionfold current through something unable to withstand it. So you have a superior body, i guesso, something like superman, or something like that spider manadon lo like a superior body. And finally, loka, the environment where you are enjoying, that is also much superior
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.