You shouldn't make a mess of someone's yard.
Jack is washing his car on his driveway when he notices that the water run off is draining through his neighbor's yard.
Jack wants to continue washing his car without worrying about the run off.
Jack calls to his wife and asks her to put a board down to redirect the water run off to flow down Jack's driveway instead of into his neighbor's yard.
Jack ignores the water run off and continues letting it flow through his neighbor's yard.
Jack's wife successfully redirects the water flow and his neighbor's yard is preserved.
The chemical filled water carves out and kills patches of his neighbor's grass, making the yard look terrible.