It is not just the drive for success; it is the entire culture in general. The system is built to reduce happiness, because a happy and content person has less

It is not just the drive for success; it is the entire culture in general. The system is built to reduce happiness, because a happy and content person has less impetus to contribute to the economy. This is actually very intentional; see for example Alan Greenspan's speech to Congress: when he was questioned about job insecurity among the population, he replied that it was a good thing because it made people work harder. On the other hand, the ideal person for the economy (on average, forgetting outliers like inventors) is a psychopath with a penchant for conspicuous consumption. Such a person is geographically mobile, able to dedicate his life to attaining wealth and power, and is also incapable of happiness. The normal among us, unfortunately, have to try live up to that ideal. Therefore, you see people spending very little time with their families, trying to earn more and more just to satisfy their need to consume. That is stressful! This is a form of mental sickness. YES. The system we live in is sick.