I Don't Even Believe in God, So What's the Big Deal About Marrying a Witch?

One day, Lilith was lying in bed and asked in a hoarse, lazy voice, “Darling, if my mom and I fell into the water, who would you save?”

“Of course I’d save you,” Charles answered without hesitation.

“Then what about your mother?”

“Wait, weren’t you insulting me just now?”

“...???”