Xiao Wei really doesn't know how to respond to his brother-in-law's words. Each sentence he says is so strongly affirmed, but should he really trust him? After all, no matter what, he has brought harm to his sister, and the extent of the pain, only she knows. He will not let his sister suffer even a bit more hurt. Over the years, he failed to protect his sister and keep her safe. Watching his sister wander outside all these years while he was powerless, he has felt like a failure as a brother.
"Brother-in-law, the fact that I've spoken up today shows that I truly hope you can live together peacefully, and not let a joke someone else made cause conflict between you. That's truly not worth it.