Absolutely beautiful and very cathartic, not just for you but for anyone who reads this. I know we have differing opinions on HPDH, but your love for the characters came through.
I love all of the Marauder back history and that finally Harry had the missing pieces filled in. At the other end, I adored the relationship between Lily (Harry's daughter) and Professor Snape too.
The way you handled the rift between Dumbledore and Severus was inspiring. My heart warmed when Severus realised that Harry did understand who used him and why but still forgave.
The whole concept of Severus being the one who didn't leave Harry, who sacrificed his own peaceful death to make sure Harry had someone left to guide him, struck me to the core.
I know this was your swan song for this pairing and IMHO you touched the clouds.