Final Drafts?

Is there a "final draft" to who we are? I can't say there is. As humans, we naturally evolve by who we surround ourselves with. We adapt to a change in environment and pick up habits from new friends. While I feel there is so much changing going on in our lives today as college students, maybe once we are settled down, married with children and start a career we are closer to a final draft. However, life has unexpected changes like the death of someone you are close to or losing your job that may make you change the person you are to adapt to these changes. I don't think there will ever come a day where we can say this is the final me, this is my identity, this is who I will be for the remainder of my time on earth. It is true that we are creatures of habit but there are just some things in life that are beyond our control and it is in our nature to change with them in order to survive.