Recognising the link between loneliness and depression
“Many untreated depressives lack friends because it saps the vitality that friendship requires and immures its victims in an impenetrable sheath, making it hard for them to speak or hear words of comfort. Worldly success does little to assuage that agony…”
https://www.theguardian.com/commentisfree/2014/aug/16/depression-disease-loneliness-friends