How incredibly beautiful! I really adore the time you chose for Harry to return, seeing the many burdens Snape bore without complaint, carrying on his duties to the very end.
The allusions to asphodel were well-woven, well-presented, and so very thoughtful! I often thought that Snape was sending Harry a coded message in their first Potions class that Harry just never got, having no experience with potions.
Your way of weaving your magnificent story in among the canon episodes was masterful, and the scenes between them were erotic and achingly tender.