He wouldn't be happy to know that she bought a bus ticket back to the area they just left. But, Hermione didn't answer to any man any longer. She was her own person. Whether or not that got her killed or returned to a life of misery in Hogsmeade, wasn't the point of the matter. She wanted to make her own choices. Hadn't that been the very reason she risked the irrational wrath of her husband to run?