In fact, it's normal for any human to feel that way the first time they take a life, even if it is killing chicken.
Leng Pan remembered that she had downloaded some zombie movies during the week she had been preparing for the apocalypse. She decided to let her mother-in-law watch at least one or two of those movies to build her courage and also help her to understand that she had to change drastically if she wanted to survive.
Without a radical mindset, there was no way they could survive in the apocalypse. She had watched enough movies and read enough novels to know that the soft-hearted individuals were the first to die in the apocalypse.
She didn't want her mother-in-law or any member of her family to join those ranks of cannon fodder. Therefore, she had to put them through horror or watching movies where zombies attack and eat humans.
