Three Mitzvot 2: The Mitzvot (3)

Sometimes a quick exchange communicates more effectively, and more personally, than an article. Sometimes, just seeing that others share our questions can make us feel more connected. Our posted questions and answers are an opportunity to learn from each other. Keep in mind that each questioner’s situation may be unique, in ways that affect the halachah. Even the tone of a question can affect the tone of an answer.
Question
My daughter and I just listened to the podcast about the 3 women’s mitzvot. She was wondering if a widower has an above bat mitzvah age daughter living at home, who is obligated to light the Shabbat candles? If men should also light candles, why when...