It's important to understand that I cannot diagnose anyone with a mental health condition, including antisocial personality disorder, based on limited information. If you suspect that your cousin may have a mental health issue, it's essential to encourage her to seek professional help from a qualified mental health practitioner.
Regarding the situation you described, if your cousin is exhibiting obsessive behavior and stalking tendencies towards you, it could indicate that she is fixated on you for some reason. There are various potential reasons for this behavior, and some of them might include:
Attachment issues: Your cousin might be experiencing difficulty in forming healthy social and emotional attachments, which could lead to an unhealthy fixation on you.
Dependency: She may feel dependent on you for emotional support or a sense of identity, leading her to become excessively attached and unable to respect boundaries.
Psychological issues: Unhealthy obsessions and stalking behavior can sometimes be symptoms of underlying mental health challenges that need professional attention.
Lack of coping skills: She might not have developed effective coping mechanisms, causing her to latch onto you as a way of dealing with stress or emotional difficulties.
Emotional imbalance: Your cousin might be experiencing intense emotions that she struggles to manage appropriately, leading to an obsession with you.
Whatever the reason, it's important to prioritize your safety and well-being. If you feel uncomfortable or threatened by her behavior, it's crucial to take the necessary steps to protect yourself. Consider reaching out to your family members or someone you trust to discuss the situation. In extreme cases, involving law enforcement might be necessary.
Remember, it's essential for your cousin to seek professional help from a mental health expert to address her behavior and any potential underlying issues she may be facing. If you can, encourage her to talk to a mental health professional or seek support from a counselor or therapist.