Obsessed/obsession ; What should we call someone that keep on updating themself about you and your life, and keep on posting about you literally everywhere on their social media ? --mad obsessive stalker. GO GET A LIFE. That all. Thank you. ob·ses·sion [əbˈsɛʃ(ə)n] NOUN the state of being obsessed with someone or something: "she cared for him with a devotion bordering on obsession" an idea or thought that continually preoccupies or intrudes on a person's mind: "he was in the grip of an obsession he was powerless to resist" Love, Fynaz