Abusive relationship

This one is a little under-developed and a bit obvious. There's been a lot of theories indicating that Alan isn't really a monster, and that he's actually someone else or a figment of Daisy's imagination, and it's very likely this theory isn't true, but it is a good way to point out an abusive relationship.

Clearly, Alan is abusive. He calls her stupid and unloved, and physically harms her. He kills her cat, he keeps her from sleeping, and he is generally always torturing her. This theory says that Alan isn't a physical monster, but a monster of a human being.

Daisy has moved out of her dad's house, and moved in with Alan, her abusive boyfriend. At the beginning of their relationship, things were sweet. There were a lot of good and fun memories like the time Daisy gave Alan a makeover with makeup. Or the time they sat outside together as she took care of her garden. But things started to change with Alan. He started to get meaner and a little bit physical with Daisy. He would bite her, and then he pulled her hair out, and then she is seen with scratches and blood all over her body. At first, she does not think she can leave Alan because she does not think that he will survive without her. Later on, she realizes she cannot leave Alan because she has nowhere else to go. They get into fights often, but Daisy tends to forgive Alan consistently, hoping that he will change and become better and kinder. At this point she cannot let go of Alan, no matter how much hatred she has for him, because she is trapped. She cannot leave, and she cannot make him leave. There is nothing she can do but ride it out and take the abuse.