for them to express who they really are. but who they really are partly comes from being this tattooed. how would a professional psychiatrist analyze this? >> they're playing out something on their skin. skin is a bulletin board. they're giving a message out. i think they're probably trying to create a new identity or create an identity for themselves. >> people get tattoos for all the basic same reasons. when someone is born, something dies, going into boot camp, coming out of boot camp, going to war, coming out of war, falling in love, falling out of love, hope, despair. tattoos are markers and they're also markers of inspiration,