PRIVATE TO CASSIOPEIA
I won't forgive you for the things you said. They were mean-spirited, cruel, and unbefitting of any polite conversation. You should have kept your opinions to yourself, Cassiopeia, and though I think you owe an apology to Septimus, I know you're too proud of an individual to actually do it. So neither shall I apologise for what I said in retaliation to you. It's a closed issue, as far as I'm concerned, and I will not mention a word of what you said again, and I expect you to abide this agreement.
END PRIVATE

PRIVATE TO CALLIDORA
I just wrote to Cassiopeia. Hopefully this will be a closed chapter.
END PRIVATE

I hate it when Lysandra tells me what I'm going to do. I'm twenty years old, I'm an adult by wizarding standards and I am fully capable of making decisions for myself. If I don't want to go to Diagon Alley for a day of shopping, I expect to do something other than that. And yet this is seemingly an issue that required lots of arguing and shouting and broken things before she left me alone.