If she looked warily around his dorm, his ground, it was only smart of her. Even if she trusted him, they were Slytherins.
She had cried a little, but she was allowed. This was something very deep and important for both of them, and pretending otherwise was folly. Even his crying could've been excused.
Of course she was gone when he woke. She'd always been prudent.
What Blaise didn't get was why all the next day, the mood ring he'd given her remained a terrified violet.