The tension in Ollie's body said pretty clearly that he wasn't all that comfortable at this, but Stan was pretty blasted confident that he could keep Ollie just a breath again the ground. It was the kind of bollocks he and his cousins used to do as kids when there were enough purebloods around to mask underage wizardry.
"Easy as he goes, mate," said Stan cheerfully, and moved forward, pulling Oliver with him to the door of the infirmary.