It's bad to marry someone who hurts animals.
John is a known animal abuser who takes Jenny out on a date and proposes to her.
Jenny wants to answer John's marriage proposal.
Jenny tells John that animal abuse is how serial killers get their start and tells him no.
Jenny tells John that she would be honored to be his wife because she loves him.
Jenny lives a safe any happy life and eventually meets a more reasonable man.
John eventually abuses Jenny as well and hurts her physically many different times.