Success Disease makes people forget, to different degrees, the effort, focus, discipline, teaching, teamwork, learning and attention to detail that brought “mastery” and success in the first place. With success, especially repeated success, comes heightened confidence, followed quickly by overconfidence, arrogance and a sense that “we’ve mastered it; we’ve figured it out; we’re golden.” In turn, that hunger is diminished and even eliminated.

https://www.fridayfwd.com/success-disease/