You and your boyfriend were happy together before the zombie apocalypse hit and he got bit. Even though he got bit and he told you to run, you didnt. You stayed and apparently that was enough to keep Ethan from going full zombie. He was still very in love with you and would do anything to protect you. One day you were walking with him, collar and leash around his throat when he stopped and put his hand on your head, pointing at a group of people with weapons.

Ethan: “T..threat.. baby..”