It took them two decades age difference between Stalin and his wife to realise he wasn’t, uh, a good guy.
Credit to @storywonker for finding this gem.
Commies be like “I can excuse his collaboration with Hitler to invade Poland, his deliberate starvation of eastern Europe, and the gulaging and cold-blooded murder of anyone who questioned him, but I draw the line at an age difference between him and his wife!”
It does not help that Stalin shot her!