Art makes us feel less alone. It makes us think: somebody else has thought this, somebody else has had these feelings.
Life is a lot more interesting if you are interested in the people and the places around you. So, illuminate your little patch of ground, the people that you know, the things that you want to commemorate. Light them up with your art, with your music, with your writing, with whatever it is that you do.
I'm dependent on writing for a living, so really it's to my advantage to understand how the creative process works. One of the problems is, when you start to do that, in effect you're going to have to step off the edge of science and rationality.
A lot of people have found the idea of living your life over and over again absolutely terrifying; there's some people that find it very comforting. There are others that are appalled by it.