The "What If" book series helps children explore this concept. The first half of each book explores vivid dreams of something better. The second half teaches that the greener grass always comes with its own challenges. The journeys of exploration, imagination, and learning serve as a reminder that being happy for what you have is a powerful approach to life.
In What if I Didn't Have to Eat Vegetables? a young boy imagines how great his life would be if he didn't have to eat any vegetables. No more broccoli or green beans. Just pizza and pasta! That would be awesome... or would it?