The importance of enthusiasm

lifehack.org: "Mark McGuinness, a business coach at Wishful Thinking, sheds some light on the importance of enthusiasm in the workplace. Many supervisors (and workplaces) stress the importance of “confidence.” Mark is convinced that “enthusiasm” is far better to promote than confidence, “I think the word ‘confidence’ creates more problems than it solves. I usually advise clients to change the word to ‘enthusiasm’.”"