As we attempt to bridge the gap between who we were and who we're becoming, we must come to terms with the fact that there is only one constant in our lives, and that is our selves. We are the only people that we are with day in and day out. We are the only people who we're going to have for our whole lives. We are the only ones who know all of our experiences, all of our feelings, who can replay all of our memories, who have been with ourselves in all of the places that we've been and know all the people we know. There is a certain sadness in realizing this, in watching our identities become more individual and more distinct from the factors that originally shaped them.