Isaac was much more aware than most gave him credit for. He was typically written off as one of those Quidditch players and he was fine with that. It meant he could observe a person and their reaction without them feeling like they had to put on airs around him. He wasn't as arrogant as most assumed, just self assured and aware of his capabilities and worth. "You have no idea what I am used to." He corrected, never losing the smirk as he watched her work.
He leaned out to touch his broom and did indeed feel what she was mentioning. He hadn't noticed it before but her lighter build changed the way the broom was handled. "I never let anyone else ride it, likely I would have never noticed." He let his hand drop and crossed his arms over his chest. "Is it going to be an expensive fix? I keep thinking of a new broom but I really do love the speed of this one." He wanted to put it off until it was absolutely necessary. "Speaking of new brooms, I hear you are making a racing broom for Marcus Flint?"