The best lesson we can teach our children is to have fun. It's infectious, it's contagious.
Interestingly, koi, when put in a fish bowl, will only grow up to three inches. When this same fish is placed in a large tank, it will grow to about nine inches long.
Walking your talk is a great way to motivate yourself. No one likes to live a lie. Be honest with yourself, and you will find the motivation to do what you advise others to do.