Life is made of happiness and sorrow. It will never be that you are always happy or always unhappy. These joys and sorrows keep coming like the seasons. Some are full of money even if they are unhappy and some are happy even after eating a happy bread.
There is a talk in our Puranas about the incarnation of God on earth. And everyone knows that in the human form, God also came in a circle of happiness and sorrow.
We are human beings. We are in the highest rank on this earth. If we overcome our desires, no grief will touch us.