Loathing, Love & Lily

Every day with that boy was a stark reminder, a wrenching knife of regret. Of course he hated him, it was natural. Cyclical. He attracted his loathing from day one. But what happens when day one is gone, and those eyes betray him? What happens...when he starts to care? Snape/Harry - Mentor/Mentee WARNING: MAY contain references to Spanking, but *NOT* related to a minor. COMPLETE.