Kids are full of life and watching them makes us smile feel full of joy. It's because they are away from all contaminations of world.They admire nature and there is a sparkle of surprise in thier eyes when they see something new. They don't know the difference between bad and good they just do what their soul says,they live to the fullest. When you're sad there are many solutions : songs,dance,air,coffee,sleep but the best solution is you to a park full of children and their pure melodious laugh. They are so transparent,pure and cheerful. Seeing them makes you feel their is more to life than just giving up! Try it someday.