Depressive anxiety has manifold contents, such as: the good object is injured, it is suffering, it is in a state of deterioration; it changes into a bad object; it is annihilated, lost and will never be there any more.
Klein offers her most explicit phenomenological inventory of depressive anxiety’s contents, tying it to guilt and reparation and locating its origins in the infant’s earliest whole-object relation.
, Envy and Gratitude and Other Works 1946-1963, 1957thesis