He was a monster.
Unworthy of human company; a thing to be despised and shunned.
But then a shining golden-haired goddess, perfect and innocent and pure, accepted him. Totally. She loved him for what he was, despite knowing the ugly truth about him. A truth he'd thrown in her face, and yet she hadn't turned away. She gave herself to him completely. When they first made love he finally believed himself forgiven for two and a half centuries of evil.
In the warm afterglow he received a precious gift few have ever known:
one pure, shining moment
of perfect happiness.