" Snape’s defenses are down. It felt too good to be seen. Like Harry being too curious to shut out Voldemort’s thoughts, Snape is not trying hard enough to hide his true self from someone with whom he feels kinship. Snape’s memories feel different from Harry’s. The first scene suggests spousal abuse or domestic violence; the third has a distinctly sexual quality to the humiliation. But the second could have come straight from Harry’s most recent summer "

― Lorrie Kim , Snape: A Definitive Reading