In some respects every pleasure-seeking activity is a response to our fear of death. As we age and try to come to terms with the futility of our desires for youth and immortality, one response is to seek out experiences that feed our conceit that we retain our attractiveness. What better way to do this than through sex with someone new? A healthy process of maturation allows us to internalize a belief that we are uniquely valuable, and gives us a stable sense of a lovable self.