What does it mean to be small and happy?

Small enough to be happy means that small things can make people feel satisfied and happy. People live a lifetime, no matter big or small, they need to be satisfied, try to do everything well, cherish everyone and know how to make themselves happy. Happiness is a feeling from the heart, a mood, a grasp of the present, a complete devotion to life, a display of vitality and a enjoyment of life.