Both the memories of the previous Zavier and the memories that he had made with her, the day he had first met her and the time when she was avoiding him, all flashed in front of him and eventually Zavier couldn't distinguish whether the memories were his own or those of the previous Zavier.
The moment she linked her life and death to him, he had decided that anything related to her was beautiful, even the world that she belonged to was beautiful regardless of the fact that everyone in it wanted to kill him off. He would protect anything that was slightly related to her so that her smile wouldn't ever fade off.
"I promise you that we will go back together once all this is over. I promise you that I wouldn't die even if they destroy every part of my body. I promise that I will protect you with everything I have and everything that I am capable of. And I will make sure that to come back to you. After all, I cannot miss my first meeting with your parents."