Things that were popular or significant during our childhood or teenage years tend to trigger nostalgia because they remind us of our youth. 3. Comfort and familiarity: Familiarity and a sense of comfort are associated with nostalgic feelings. Things that were part of our daily routines, such as favorite TV shows, foods, or activities, can evoke nostalgia as they remind us of simpler and happier times. 4. Change and loss: When we experience major life transitions or loss, such as moving away from home, the ending of a significant relationship, or the passing away of someone close, we tend to yearn for the past and find solace in nostalgia.