What Is Parentification?

I heard a term last week in Esther Perel's podcast Where Should We Begin that gave me great pause. "Wait, there's a term for that?" I thought to myself. Parentification is the process of role reversal whereby a child is obliged to act as a parent to their own parent or sibling. In extreme cases, the child is used to fill the void of the alienating parent's emotional life....WHOA