Do you remember Rubik's Cube? There are many people who become obsessed with it and played all night. The toy is similar to the tools used in problem-solving ability researches. 
The ability to complete the puzzle is the same as any other brain activity and is based on the skills you have learned until now. And the level of problem solving skills varies from person to person.
Global dissatisfaction, hate, and lethargy occur because of not having the right problem-solving skills.