I encountered a book on ‘writers block’ on the shelf, along with 15 others on the same subject, as well as within the trade magazones, in 1991.
It seems that in your case, you could not answer a letter, write a line or two in a greeting card, nothing. Since you could not write out a shopping list, how did you survive this long?
By inhaling cans of Raid daily. It built up my immune system.