Identify yourself to your sister

"Hey, stop hitting already!" you say. "It's me!"

"Then why didn't you say something in the first place?" she asks.

She squirms aside so that she's next to you rather than underneath you.

"I didn't see you in the dark," you say.

"It is awfully dark, isn't it?" she says. "I can't see my freaking hand in front of my face. And it's cold. What the hell happened to the heater? Why didn't you turn the lights on when you came in here?"

"Lights aren't working properly. And I think the heater's busted," you say.

"Oh," she says.

Do you: