You vocation may be hard-to-do/comprehend task from time to time. Yet there is no one in this world who can do it better than you.
Jesus knows it - that is why you are on this pilgrimage right now. When you are tired look at the cross - holy vocation of our Lord on this earth. Let His Cross be the one of your. And be happy for then your will find the ultimate goal of your vocation and strenght to fulfill it at the same time.
-- Tomasz, Racibórz