what is meant by the phrase living on memories?

The phrase "living on memories" refers to the act of drawing emotional sustenance and meaning from past experiences, often in the absence of present fulfillment or connection. It suggests a reliance on cherished moments, nostalgia, or reflections of happier times to cope with current challenges or loneliness. This can indicate a longing for the past or a way to find comfort in what once was, even if it may hinder engagement with the present.