When we have something provided to us, for example, our cars come painted nicely from the factory, and that paint job will surely last the lifetime of the vehicle, why is there the need to paint cars a custom color? Or to replace the wheels and tires on our cars when the tires are not worn out yet? There are thousands of aftermarket parts available for pretty much any car on the market, and yet a lot of those parts do not increase the drivability of our cars. They may increase appearance, or comfort, but if parts are not worn out, why is there the need for such a large market for aftermarket parts? The way I see it, each one of us is made up of the same composition, however, we are very different in what we like or dislike.