Why is it socially acceptable for women to express sadness, anger or frustration in public, but when men do the same, they're labeled as aggressive or emotionally unstable?

When women express sadness, anger or frustration, it's seen as a natural emotional response, something that can be understood or even empathized with. However, when men show the same emotions, especially anger, they’re quickly labeled as toxic, emotionally unstable, aggressive, or a threat. This double standard creates a space where men are penalized for expressing their feelings openly, as if their emotions are inherently dangerous or harmful. It makes it difficult for men to feel safe in showing vulnerability or experiencing frustration without being stigmatized and shamed.