Whatever the drivers of the changes, the most fundamental part of improving oneself must be to have confidence, and confidence could come from both internal and external factors. For example, people may have a certain confidence in the many successes and failures in their lives and in understanding methods for managing their emotions. Furthermore, having a career or being rich can give the person more confidence; profitable relationships can be another reason to feel reasonable trust. Therefore, with trust, a person tends to be stable or reliable and people around the individual can trust him or her