Politely refuse.

"No thank you, Mrs. Anderson," you say. "I think I'm good."

"Okay then, Parker. I hope you and your mother had a good talk," she says. She smiles at you and walks out the door. After she leaves, you hunt up some nail polish remover and get the polish off your nails.

You sit back down to your homework and become quite absorbed in it. After some time, you glance up at the clock. It's nearly time for dinner so you decide to go down a little early.