As the patriarchal leader, it will be up to you to figure it out and to dispel her unrealistic fantasies.
My husband's simply daily things, like grocery shopping, cooking, dating up with kolkata to make coffee in the morning-are far from unnoticed.
Props to your sister. The ideal, in my opinion, is that she discovers what we all know about the lies the bangla tells her.
They know that they are the best.