Leaving Azkaban (смешанная)

Severus Snape was sentenced to five year in Azkaban but why has be now spent the past ten years rotting away in the Cell, Hermione comes to learn of his imprisonment before freeing him and taking him in as her house guest while he spends one years time on house arrest. How does the simple act teach him to heal, and learn to trust once more. He was a broken man who had no rights, a man who the world had destroyed.
He had all but forgot what dominance was or what it was to be dominant. But how does Hermione being a dominant women in her every day life allow him to relearn what dominance was. How does he learn to submit to Hermione and how does she teach him that even in submission he still had the control he so needed. How does giving into Hermione teach Severus to be loved once more and to love another once again.