"Dear Prudence: Navigating Family Disapproval of My Brother's Fiancée"

A person seeks advice on how to handle their parents' irrational beliefs about their brother's fiancée, whom they see as a "genius tick" draining their brother's potential. The person has always played the role of a buffer between their parents and their prodigy siblings, but now questions whether they should continue placating their parents. The advice is to not say anything to the parents, as it is unlikely to change their views, and instead form a supportive relationship with the fiancée. The person also expresses concern about their parents' potential reaction to their sister's upcoming proposal.