Perhaps it's a way to show the woman's frustration or as a way to break the tension in a light-hearted way. Cartoons often use exaggerated actions for entertainment value.
Maybe she was defending herself or really angry at him. Who knows?
Maybe it's a form of revenge or self-defense. Comics can have all sorts of unexpected scenarios.
It could be that he's in a situation where he feels the need to hide that area for modesty or because of an unexpected event. Maybe he's had an accident or is avoiding being seen in an awkward position.
Maybe she fell or had an accident. That could be the reason for her sore knee.
It could be that she was involved in some kind of physical activity and overexerted herself, resulting in knee pain. Or perhaps she got injured while playing or exercising.
It could be that the gingerbread man tripped and fell, causing its knee to break. Or perhaps there was some sort of conflict or mishap in the cartoon that led to the injury.
It might be that the cartoon is trying to break stereotypes or present a unique story. Or perhaps it's a way to teach a lesson about not underestimating women. Who knows, cartoons can be quite unpredictable!
There could be several reasons. It could be part of a comical skit where everything is exaggerated. Or perhaps it's a way to show a power dynamic or a conflict between the two characters. Another possibility is that it's a symbolic representation of some underlying issue.
Maybe she's really angry with him for something he did wrong.
It might be to show a power imbalance or to drive the plot forward. Maybe the man has some sort of grudge against the woman and this is his extreme reaction.