1. Sometimes minhagim change. For example, up until a few hundred years ago nobody said Kabbalat Shabbat. When do we say "change" and when do we say "don't change"? 21. The shame regarding Chava's sin assumes that they know that the Moon was affected. 3. The Mishna Berura says that it is obvious that a woman who does not have a man to make Havdala for her drinks the wine. 4. What is the difference between asking a rabbetzin and asking a yoetzet halacha (who probably is also a rebbetzin)? Perhaps what changed is that women became more knowledgeable.

1. Sometimes minhagim change. For example, up until a few hundred years ago nobody said Kabbalat Shabbat. When do we say "change" and when do we say "don't change"? 21. The shame regarding Chava's sin assumes that they know that the Moon was affected. 3. The Mishna Berura says that it is obvious that a woman who does not have a man to make Havdala for her drinks the wine. 4. What is the difference between asking a rabbetzin and asking a yoetzet halacha (who probably is also a rebbetzin)? Perhaps what changed is that women became more knowledgeable.