He had worked so hard, been through so much, to get the wolf under control. All for her. And what did he find when he came back triumphant to rekindle the relationship?
She'd moved on. And she'd left him, not for Xander as he'd always half-expected, but for a woman.
He couldn't blame her - he had been gone a long time. But he never wanted to see her again.
Grim-faced, Oz drove out of Sunnydale and never looked back.