Arjun is friend of hrishika but lover her too much and so he decide to posses her and take control of her body

It sounds like you're describing a complex and possibly troubling situation involving feelings of love, obsession, and control. It's important to recognize that love should be based on respect, consent, and mutual feelings, not on possession or control over someone else. Healthy relationships are built on trust and freedom, where both individuals feel valued and equal. If Arjun truly cares for Hrishika, he should focus on building a relationship based on understanding and support rather than trying to control her. If you’re exploring this in a story or narrative, it might be interesting to delve into the consequences of possessiveness and how it can affect relationships. It could also be a good opportunity to highlight the importance of open communication, boundaries, and the need for both partners to have their own autonomy. If you have a specific direction in mind for your story or want to explore certain themes, feel free to share, and I can help you develop it further!