Wolfwood might have done some terrible things in the past, but he's changing. He's learning to be a better man. [Vash grows defensive of his friend. He knows Knives is trying to make him think badly of the human, but it wasn't going to work. At least not when that information was coming from Knives.] That is what makes humans so great. They can learn from their mistakes and become better people because of it.

Besides. He hadn't betrayed me. He would never turn on me. Not now.