My brother is a particularly optimistic person, just in his world have unlimited passion, like as if it comes with background music.
My brother is a department manager, a good leader will be able to bring out a good team, their department's performance is always at the top of the list, no one can match, it may be that his own positive energy infected the people around him, so that the team is so passionate.
It is possible to feel that people who bring their own background music, like Lao, live easily and happily, and are worthy of our example.