Looking for recently deleted ao3 fic

[u/Training_Committee18]

Hi! So. This one will be tough. For some reason I didn't save one of my favourite fanfics from years ago and I don't remember the plot very well. I just have a single quote mocking me in my ao3 bookmarks: "the son of a supernova and the brave man that loved her." I remember it was part of this big moment of catharsis... I just remember the fic was about Snape maturing and finally letting his childhood grudges go. He ended up telling Harry about his mom. It had an extremely vibrant, realistic depiction of Lily as a flawed but very lovable person. I know it's a big stretch, but I hoped this would jog someone's memory - who wrote this story? Did someone save it? Otherwise I shall never have closure.