If this was Roger, the sex wouldn't be so rough. If this was Roger, he wouldn't leave every assignation covered in scratches and bruises, wouldn't have to tell Madam Pomfrey they were Quidditch injuries, or listen to Percy tutting as he healed them.

If this was Roger, they'd be in a bed, in the Gryffindor or Ravenclaw dorm. They wouldn't be up against the changing room wall, or down in one of the spare dungeons.

But this isn't Roger. And every time Oliver slips, whenever he accidentally reveals his true desires, every time he cries another name, Marcus hits him.