Shane just merely narrowed his eyes at her. He loved his sister. He really did. And she knew that, but she crossed into some bad territory at the moment. And besides, where was it written that siblings never fought, because that would have been ridiculous if people never thought they did.
"The fuck does it look like." He wasn't going to whine and say 'he hit me', and he sure as hell wasn't going to outright say 'I punched Micah, and he retaliated'. He knew she wasn't dumb. She'd know exactly what was going on. They'd gotten in a fight, more than a verbal one, both of them accusing and assuming things of the other, and happened to be dead on.