I’m not sure if we’re talking about the same Dante but I don’t say that I remember from school I was going to write comedy for his family he always wanted to provide money for his family because when he was younger he would not have enough money to get what he wanted as a kid and he feel bad so he decided to give back to his family because his mom was a working mom she was like a stay at home mom because his dad had left so that’s why.
Answer:
She has found out his plan
Sorry that is my best description
It shows that Lady Macbeth has no hesitation about killing Duncan for his Crown. and it also shows us that she's very manipulative and is willing to kill someone close to her for her own greed.