[video]
[Ritsuka is quiet for a moment. There's no way he would belittle Arya for her age or any lack of physical strength. But...]
Are you sure your father would want you to make that choice for his sake?
[It's not condescending in the least - Ritsuka sees much of his own situation in Arya's. After all, if he were given an opportunity to take revenge for his brother, or to protect his friends, would he be able to kill? Is that something love can drive a person to?]