Why did meg think that Jo ought to stay indoors?

Meg thought Jo ought to stay indoors because she was concerned about her sister's well-being and the potential dangers of being outside, especially during inclement weather or in situations that could lead to harm. Additionally, Meg often felt a sense of responsibility to keep Jo safe and protect her from the harsh realities of the world. She believed that staying indoors would allow Jo to engage in more nurturing and domestic activities, which aligned with their family's expectations.