“Third-level, life-long relationships are generally few because “their existence implies that those involved have reached a stage simultaneously in which the teaching-learning balance is actually perfect.” That doesn’t mean, however, that we necessarily recognize our third-level assignments; in fact, generally we don’t. We may even feel hostility toward these particular people. Someone with whom we have a lifetime’s worth of lessons to learn is someone whose presence in our lives forces us to grow. Sometimes it represents someone with whom we participate lovingly all our lives, and sometimes it represents someone who we experience as a thorn in our side for years, or even forever. Just because someone has a lot to teach us, doesn’t mean we like them. People who have the most to teach us are often the ones who reflect back to us the limits to our own capacity to love, those who consciously or unconsciously challenge our fearful positions. They show us our walls. Our walls are our wounds—the places where we feel we can’t love any more, can’t connect any more deeply, can’t forgive past a certain point. We are in each other’s lives in order to help us see where we most need healing, and in order to help us heal.”