Turning onto the staircase, she made her way down towards the dungeons, hoping that intercepting him would be as easy as she anticipated. She had begun observing him more closely the same day she had begun brewing the Veritaserum. And realized that on the days he did deign to go to class, he snuck a gulp of something before heading into them. His dependency on a potion to be able to stay awake and alert for classes was concerning, and had he been anyone else, she would have felt it her duty to report it to their Head of House.