With his rounds finished up and report given Ron made his way up to their rooms that night, he was tired - the new addition to their training schedules on top of everything else they were all ready expected to do was not something Ron was looking forward to more of. But they'd do what they needed to.
Since they'd started training he'd had a pretty regular rotation of civilians in his time slot which was good - so he could know they were getting consistent exposure to his style of training. Not that he doubted most of the other trainers, but he knew how easy it was to be thrown off track by inconsistencies in training.
He came in to find Hermione sitting with Hugo and grinned at the two of them. "If you were younger I'd think this was almost cute." He told his son. "Though now that you're older I have to wonder what the two of you are up to tonight." He smirked at them both, as he came to sit with them both.