Why write your own story? The purpose and power of memoir

Whether we share it or not, we all have our own story: where we grew up, what we have experienced, who has shaped us - and how we piece it altogether. But why would someone pen that story, publish it and share it with the world? Is that an act of creativity, or vanity? On God Forbid, James and our panel of memoirists take a look at the power and purpose of memoirs.