The best summer camp in the entire world. Not just one that people say is awesome cause it’s theres. People that don’t go there wish they did because it’s the most loving environment and everyone is jealous because you age out at 13:( but the time u spend there is the most important amazing part of you life that you cherish forever

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.