Loneliness is a sad emotion that a person can feel if they are isolated or feel a sense of lack of friends and family members. Loneliness can make people feel anxious.
People can feel lonely even if they are surrounded by a lot of other people. Loneliness can occur even to people in marriages, relationships, families and successful jobs. One cause of loneliness is a lack of friends during childhood and teenage years. Loneliness can also be caused by chronic depression. Loneliness can also be caused when a relationship or marriage ends. You need to learn some lessons to help you cope with loneliness when you might be the only one who understands the whole picture
Loneliness is a theme in literature, going back to the Epic of Gilgamesh.