Noah, walking into the room: "What?" Innocent as all get out.
Me: "Did you do this to Eva?"
Me: "Why?" (with a voice full of anguish and longing for that time before I had kids)
Noah: "Because. I was just painting her."
Luckily Darren was home and very calm, and I at least had the presence of mind to know it might be funny. Someday. So I angrily took a picture. And then left the house for awhile.