“Self Discipline”
There are many important qualities that can contribute to a person’s achievements and happiness, but there is only one that begets sustainable, long-term success in all aspects of life is self discipline. Research published in the Journal of Personality showed that self-control isn’t about deprivation, but actually about managing conflict and making decisions that align with your personal goals. Self discipline is the number one trait needed to accomplish goals, lead a healthy lifestyle, and ultimately, be happy.