Are We All Radically Different?

The exestentialist, it sounds to me like what you're saying is consistent with the idea of these innate tendencies. But it sounds like they could vary so much from person to person. Are we getting toward in that what's relevant to happiness or well being isn't common to all people? Perhaps essence or human nature, that it's that it's radically particular? And mozart's happy life isn't going to look anything like,. is going to have anything necessarily in common with someone else's.