"Look, Sherlock. I've proved it. Not even you can say I haven't proved it."
"But it isn't... It's not logical."
"It doesn't have to be logical! It's true! Isn't that enough? The evidence is all over the kitchen!"
"It's still impossible. If I never fell asleep last night – and I assure you, I didn't – then I can't have gone sleepwalking. Much less all... that."
"I watched you doing it! You not only sleepwalked, you slept cooked, slept ate, and slept did the washing up! And then you put the leftovers in the cupboard and the clean dishes in the refrigerator!"