They said that unsaid feelings are hard to keep, but for me? Overwhelming feelings are harder to keep. The pleasure that you have inside your heart is finding it's own way to be said. Form your heart, it will run in your body, and consume your mind and thoughts. You started to feel excited that you don't know how to express it. It can also make us cry, because of too much happiness, it's overwhelming that you wanted to shout and to be heard.
Sometimes it's hard to tell how that person mean to you specially, when you're not with the person you're talking with. Love is appreciating everything that you started to feel overwhelmed with joy.
you are right a happy heart, full of positive energy that brings us to a happier life...