"And maybe Rodolphus would've made good on his promise to tear down the wards and come inside our house forcefully. There's a lot about the man that I despise, but he has always been prickly about his honor as a Lestrange. If he made you a promise on his "word as a Lestrange" that he wouldn't harm Ollie if you opened the door to him, you did the right thing. He wouldn't have hurt Ollie. At least not at that time, but there would have been plenty of opportunity for me to get there in time to stop it."