Final answer:
Jacob exhibits the paraphilic behavior of necrophilia, which involves a sexual attraction to corpses.
Step-by-step explanation:
Jacob exhibits the paraphilic behavior of necrophilia, which involves a sexual attraction to corpses. This behavior is considered abnormal, unhealthy, and illegal. It is important to note that necrophilia is a criminal act in many jurisdictions and is considered a serious violation of the dignity and respect for the deceased.