Since I'm on the subject of Christina Stead, let me throw in a line from Dearest Munx: the Letters of Christina Stead and William Blake, a book that comes to a close, as some novels do, with a silence, in which your imagination works, the silence being the ending.
From her final letter, dated 11 January 1968, to him as he lay in hospital.
Electricity bill came which I will pay if you are long delayed. 3/16/5 sterling.
After that, nothing.