Keith, whose heart was currently blazing by at approximately a million beats per nanosecond, was in no mood to be yelled at - but apparently, his physical condition didn't factor much into the mystery girl's response to the whole situation.
Still rolling on the floor, trying desperately to recover from the shock and fear landing on another human being had caused, Keith could hear the shrill, high pitched screams of whoever he had landed on. Boy, she was really letting him have it.
Eventually, he recovered enough to hear the tail end of her indictment of him. Something about how cold it was outside, and how cold she was, and such.
Keith rolled to his knees and looked up at her, still breathing heavily. It was Melissa...something. Finnigan? Sounded right. Sixth year, Gryffindor. A prefect, like him. Oh, wasn't that just fantastic. She was probably a goody-two shoes (even though, on second thought, it hardly seemed a good track record was required to become a prefect anymore - case in point, himself).
"Okay, let's just...uh, take a step back here," he said, holding up his hands in a mostly meaningless symbol of surrender. "This is not my fault. I am not to blame here. You should've made yourself like...more visible, or something, and then things like this wouldn't happen to you."