Do you not know? Have you not heard: The Everlasting God, the Lord, the Creator of the ends of the earth does not become weary or tired. His understanding is inscrutable. He gives strength to the weary, and to him who lacks might He increases power.
( Isaiah 40 : 28-29 )
They handed me a flower at the cemetery, what for?

This was given to you so that you could participate in the final goodbye. At the end of the clergy committal service, the funeral director will place a flower on the casket. This will signal all those who hold flowers to do likewise.