12 reasons why people are obsessed with nostalgia

When you're feeling down about yourself and your relationships, nostalgia is there to comfort you and remind you of your place in the world. As Routledge wrote in his book, Nostalgia: A Psychological Resource: "Nostalgia provides people an opportunity to reassure themselves that they have had interpersonal successes and that they are loved and valued by others. It makes people feel loved, supported, and socially competent."