How mean of her after basically A) double trolling Kogasa and B) taking pictures of the slip and fall. From the sounds of things, This Kogasa doesn't get many chances for naughty fun, perhaps even less than the chances to eat good food.
I wonder if that's how his wife actually talks to him.
Considering some of the other things discussed, I wouldn't be surprised if "I'll beat you until you run out of continues" would be the sort of thing they actually say in real life, and not as an analogy in this manga.
