After 21 Days
He averted his gaze from mine and said in a low voice, "Melody, she's counting down the days to her death, and she just wants me to keep her company. I knew you wouldn't agree, so…"
His voice was becoming softer and softer, but every word seemed to pierce my heart like a knife made of ice. "I hope you'll still bond with me after I've walked the last leg of her journey of life with her. Therefore you… you just need to forget me temporarily. When I get back, everything will be the same as it always was."
I finally understood. This was his newly developed "Memory Lock Potion". It could temporarily cut off our link with our wolves and block our memories.