I cried when I read this. I just read the order of the Phoenix. I cried then too. My family wondered why I was upset. I finally told them. They laughed. I went to my room and thought about this. Sirius was the best thing to happen to Harry, to me.
I'm putting this in the house I get when I'm older and it's going to lead into a secret library that is only accessible through that door and my husband will not be allowed in unless he intends to read a book in silence with me.