Draco was a little annoyed. The way Hermione was wandering through the corridors and up the stairs to "Gryffin-dork" tower. There was no place to pull her off too. He wondered if she was doing it on purpose? Maybe she had seen him or just assumed he was following her and she was too annoyed with him.
Ducking into a corridor, she waited to see if she was going into the tower. If she did, Draco would need to find his relief with his hand later. Not an idea he relished…