But this is a different decision, with a possibly different outcome, because Minerva might not know already and Minerva is not his mother, or his Mum. But she had said "I’m proud of you," and taken him to the bank and is buying him lunch, and she visited him in hospital and brought him home when he was discharged and she knew, all those years ago, when not even James or Remus or Madam Pomfrey knew, that Sirius wanted—still wants—to become a healer.