agoraphobia, sociophobia, phobia of crowd concept. man lying at home alone, afraid big gathering of people. loneliness

phobia agoraphobia sociophobia crowd fear concept psychology mental loneliness disorder adult aloofness afraid anxious boy cartoon character discomfort emotion fearful flat frightened introvert gathering hid home house human illustration isolated man mind negative nightmare panic people person problem psychological sad scared solitariness solitude stress suffer vector woman scene