So, finally -- and I'm about out of time -- the target that shapes you -- here's what's different about people. We have the same needs, but are you a certainty freak? Is that what you value most, or uncertainty? This man here couldn't be a certainty freak if he climbed through those caves. Are you driven by significance or love? We all need all six, but whatever your lead system is, tilts you in a different direction.