Typically, people who exercise, start eating better and becoming more productive at work. They smoke less and show more patience with colleagues and family. They use their credit cards less frequently and say they feel less stressed. Exercise is a keystone habit that triggers widespread change.
-Charles Duhigg, The Power of Habit: Why We Do What We Do in Life and Business. Goodreads | The Power of Habit Quotes By Charles Duhigg