The old Hermione, the one who found joy and fulfillment in being the regime's embodiment of terror as Madam Dolohov, would've laughed off the very idea that she'd come to care very much for her only child and even the man she was forced to marry. There wasn't a lot of room for affection in that horrible woman's heart. All she had to live on were glimpses of past feelings that might have been love from men that didn't really deserve her. Coming to the realization that she'd allowed her heart to open up to at least the possibility of a future with her family was surprising. She never thought she would get to that point.