There are many theories that try to explain the differences in self-discipline, morality, and behavior among people. While there is no single "secret" to understanding these differences, some experts suggest that it could be related to genetics, individual beliefs, and the environment. It is also important to note that a person’s behavior can be impacted by their upbringing and current situation, making it important to look at the individual's entire life. In addition, it is important to remember that all people are different, and that certain moral and self-discipline decisions may be more beneficial to some than others. Ultimately, the best way to understand differences in self-discipline, morality, and behavior is to look at the individual as a whole and consider their unique circumstances.