“My lawyer documented everything. Independent witnesses. A medical competency letter. Recorded instructions. Your mother will have trouble turning me into a confused old woman.”

“You planned all that already?”

“I have spent my life cleaning up problems after everyone else finishes making them.” Her voice softened. “This time, I decided to prevent one.”

“Are you certain?”

“Completely.” I looked toward the hallway, where Mia was coloring beside the coffee table with Andrew.

“Promise me something,” Grandma said.