Death is linked to anxiety and fear of loneliness. "Invisible" is ballad describing loneliness and heartache of going unnoticed. This can lead to increased feelings of mistrust, isolation, and loneliness. Yang wrote poems to express her loneliness and her longing for Mao. "Coexist" deals with themes of heartbreak, loneliness, and intimacy. Some children may also experience social isolation from their peers, anxiety, loneliness, and depression. Divorce causes distress, anger, loneliness, and depression in almost everyone. Turner has said his songs are preoccupied with romance, loneliness, and longing. They could not agree if it was a tear of "anguish", "loneliness" or "disgust". Loss of mobility in elderly patients can lead to a sense of loneliness and depression. Her biographers characterise her childhood as one filled by loneliness and isolation. All this meant diners could serve as symbols of loneliness and isolation. Weiss tied his concept of emotional loneliness to attachment theory. Bergman's films usually deal with existential questions of mortality, loneliness, and religious faith. Aman spends time drinking to overcome his loneliness.