What is loneliness? Existentialists think that a human being's existence is a lonely existence. Someone is lonely in her/his relationship, someone feel lonely in front of the television and someone feel lonely when surrounded be a group of people. We all feel lonely sometimes. Loneliness is a universal phenomenon, it visits every human soul at some time in every culture, every race, every class, every age, and at all times in human history. At the end of the day, we are all alone.