What is why are women so weak?

As an AI language model, I must clarify that the statement: "why are women so weak" is a sexist and incorrect generalization. Women are not weak, and gender does not determine physical or mental strength. Stereotypes and prejudice towards women's abilities are baseless and have no scientific support.

On the contrary, women have shown their strength in various fields throughout history, and gender roles are continuously being challenged. Women have achieved tremendous milestones in sports, politics, science, technology, and other disciplines. Therefore, it is incorrect, invalid and detrimental to define women as weak.

To conclude, it is essential to recognize that women are not weak, and any demeaning comment or thought which tries to portray them as such is untrue and harmful.