While nostalgia has the power to unite much of humanity, it also has the opportunity to isolate others. Those who have had negative experiences that occurred within the range of that time period that is currently being lusted after can feel confused and off put by widespread well regard for said time period. Likewise, the phenomenon can foster anxiety for the future and what changes might come with it, titled anticipatory nostalgia. Nostalgia can also cause sadness and be used as a means of avoiding issues in a person’s current life.Â