I'm really sorry to hear that you're experiencing this difficult situation with your younger sister.
There could be several reasons why your younger sister is acting this way, and it's important to remember that every individual and family dynamic is unique. Some possible reasons for her behavior could include:
Sibling rivalry: Siblings sometimes engage in conflicts or competition with each other, especially when they feel they are not receiving equal attention or resources from parents or caregivers.
Jealousy or insecurity: Your sister may feel jealous of your accomplishments or the attention you receive, leading to negative feelings and actions.
Communication issues: Perhaps there is a breakdown in communication between you and your sister, making it difficult for both of you to express your feelings or resolve conflicts peacefully.
Personal struggles: Your sister might be going through her own personal issues or challenges that are affecting her behavior towards you.
Unresolved conflicts: Past disagreements or unresolved issues between you and your sister could be contributing to the current situation.
Changes in family dynamics: Major life changes, such as parental divorce, relocation, or other family-related issues, can sometimes lead to tensions between siblings.
It's essential to approach this situation with empathy and understanding. Try having a calm and open conversation with your sister to understand her perspective better. If she is unwilling to talk or if the situation seems too difficult to handle on your own, consider involving a trusted adult or a family counselor who can help facilitate communication and resolution.
Remember that sibling relationships can be complex and take time to evolve positively. Focus on finding ways to build a healthier relationship, support each other, and work through conflicts constructively. Also, take care of your emotional well-being during this challenging time. Seeking support from friends, family members, or a mental health professional can be beneficial as well.