"And I told you that I couldn't come with you. You knew my reasoning. I was preparing to fight. I knew that I might be killed for what I was, but it was a risk I was willing to take. Escaping the persecution just took some..required some imagination but Neville came through for us," he stated quickly. "It was a risk I had to take and you would've been safe with me. We could've kept your mum safe as well."
She still didn't see and he couldn't blame her. He knew what people had thought of the muggleborns who stayed. He knew so many of them had died and the thought of Lisa dying tore him up inside. He just wished she could see his reasoning for staying behind. He'd been trying to protect her there.
"Maybe you should be. I am," he hissed. "I didn't stay just for him Lisa. I stayed for the entire DA, and for Dumbledore. He would've wanted us to give it our all."
He sighed at her noting the change. She didn't know a thing.
"Of course I've changed Lisa! I fought in a literal hell on earth. I watched my mates die in front of my eyes. I killed people! I've gone to more funerals in the past few months than I ever care to again. I can't be that Terry!"