First Filter
The spell that turned him from wood into a real boy made him promise to be good. To make good choices with his life. He broke a promise and he inadvertently hurt someone for it. The curse that keeps my friends and family in this world rather than in their enchanted one wasn't broken in time to stop him from changing back. It was put on him by a Fairy, but the reverting back to wood was his own doing based on his life choices.