Enai Maatrum Kadhaley

Falling in Love brings major impact in one's life and it is inevitable such that one cannot just escape it through in their life time. Nevertheless those experiences also varies for everyone. Some learn some understand for someone it is a sacrifice it leaves a trail of pain for someone it transforms for someone and it brings strength and endurance for other. What is Suhasini's experience? What does it brings for Sitharth? Will it change him? What happens to their love life failed? Why and what could be possible reason or root cause to this?