What is the purpose of existence?

Every once in a while I tend to wander down a path of inner reflection where I question the purpose for which I am here.Most of you who read this will probably go" Yieeeks " and say just leave this heavy duty stuff and chill out.Yes, but for a compulsive novice, budding philosopher this question is really alluring and I am sure somewhere in your private solitary moments you have pondered on it too.I wish I knew what is expected of me.I wish I knew what I am supposed to learn and accomplish.I wish I knew what my real goal in life is.I really do feel envious of some people who seem to have it all together, sorted out in nice little packets ,their entire life.What about a few like me who are leading perfectly good lives but are beset with questions which seem to loom in front of them? I am assuming if the universe is not sending out personal e-mails stating the purpose of our lives in black and white then it is perfectly fine to create one for ourselves as we evolve or simply just live our lives as an adventure to be relished with courage and creativity. The end result of our lives is only known to the unknown so we should enjoy the freedom given to us to decide how we want to experience the journey of our life-- either we resist the flow of the universe or go along with it. My guess is go with the flow.