"Please test your servants for ten days, and let them give us vegetables to eat and water to drink. Then let our appearances be examined before you, and the appearance of the young men who eat the portion of the king's delicacies; and as you see fit, so deal with your servants."
Do we check our appearance in the mirror every morning? Do we look out at the sun and see a sun coming up and hear the birds singing?
Life so often is missing the joy that we should be experiencing. So often, it is because of internal conflict that eats us up like a termite chomping away at the foundation of your house while you sleep. While a physiologist will tell you that you need more reflective time with yourself and nature or that the harmony between your spirit and nature is not in line, may I offer another suggestion?
The questions you face are deeper--they are the longings of a human heart toward the things of the Eternal. Our lives are destined for a greater purpose. This purpose though does not necessarily shout out to us, "Here!", but rather whisper to us in the form of internal joy. This purpose to life can only be found outside of ourselves in the God who gave us a mind and spirit to use to glorify him.
Take 10 days. Fruits, Vegetables, what have you. Become a Methodist in a way, implementing some method in which to clear your mind, practice restraint, and separate yourself like Daniel did. In doing so, the Lord will revel himself to you in powerful ways.