It took him a moment to pull his thoughts together enough to consider speaking. He opened his mouth, then closed it, eyes shifting, as he considered what to say, or how to say it. "I fell. Water on the floor." He shrugged. His arm was bruised, where he'd gone down on it. The angle was awkward, but then he had no strength in that hand. It could have been an awkward fall as easily as a self inflicted bruising for the effect of it.