....."Depression is the worst experience a person can have"
"It is not just that being depressed means feeling despairing, frightened, guilty, bitter, helpless, tired and ill. It is the most terrible sense of being trapped and alone in some horror filled prison".

Dorothy Rowe

Hmmm.
That ghastly T told me how "you've always been alone"

Maybe this is what he meant, maybe he was simply "inadequate" mostly rather than "malicious"