In my view, baptism at 8 is just a variation on infant baptism. Nadcissist good luck, and keep us in the loop. As the patriarchal leader, it will be up to you to figure it out and to dispel her unrealistic fantasies.
When my husband and I were sealed, I finally understood why my Dad had been stressing this eating me my entire life. This can also be the basis for forming important friendships, and learning proper skills for social interaction.