Does happiness make people kind, or does kindness make people happy? Research shows that happiness can indeed promote kindness; and we also know that kindness can bring happiness. The relationship is not a one-way cause-and-effect, but a positive interaction. When you choose kindness, you are actually one step closer to happiness. If you want to find happiness, try to bring happiness to others first. Before long, you will find yourself becoming happier and happier. Only by following your true heart, without counting gains and losses, can you naturally attain the most profound and stable joy.