Peter patted the pocket that held his letters as he walked towards the Owlery, whistling a jaunty tune. His parents had been sad to hear he wanted to stay at Hogwarts for his last year rather than return to Beauxbatons, but he has stayed because his friends had- initially. And now he stayed, because Amelia was here, ans she had a way of rooting him to the spot.
However, he had to stay in contact with his mother and his sister. His father heard the news from his mother, but his sister liked a special letter all to herself. He was happy to oblige her. He always worried about Olive, with her disease. MD was incurable in muggles, and there was not anything that could be done for her magically, even if the Healers would he heal his muggle sister.
He took the Owlery stairs two at a time, cheery as Peter often was, and when he barged in, he stopped to stare at the girl already inside. "Oh, sorry, I-" He stopped. He knew the girl, she was also in Ravenclaw and was the same age. "'Ello, Alexis. Are-" He stopped midword again. She was crying. "Are you alright?"