He wasn't expecting to be joined on the ground. He yelps when her weight is added to his, though at least he was able to break her fall in a sense. Wait, had he caused her to fall in the first place?

He opens his mouth to respond, but them remembers they're about to be attacked. He can't move, since he's now a seat cushion, but he does have the reach necessary to get her sword. He slips his hand under the hilt and tosses it up to her, "Here!"