Draco und Granger didn't exchange a word unless it was necessary. ("Do you have the xyz file?" - "Yes." - "Thanks.") In the meetings, they continued to sit next to each other, but consistently avoided looking into each other's eyes. She didn't barge into his office to terrorize him, and he didn't make inappropriate comments to piss her off. There was no staring. They simply pretended that the previous Saturday had never happened, but it was still quite awkward between them.