[He thinks he understands this now. This might be pent-up guilt over hurting others, wishing that she could give what she's got here to them. And if that's the case -]
You can't take back what you've done. [Even more gently than before.] You can't help the people who have already been hurt. What you have to focus on is yourself, making the necessary change to keep you from hurting anyone else and letting yourself heal. This is a punishment, but it's also an opportunity.
[If he's wrong, he'll take her anger about it. But it's important enough that he needs to say this in case he's right.]