There is a purpose to every life on earth, to each day, to everything under the heavens. God has said it is so, therefore it is. We grow into our purpose as it is revealed in God's time until then we cannot know our purpose in this lifetime, only have faith that is.
There is purpose too for every event in our lives, that we may grow, that we may see, that we may feel, that we have joy and laughter, sorrow and tears. That we may learn to pray that too is purpose.