Oh, my God, I think he will turn into a evil character like "Ansh" of Kyunki. He will torment Kasturi and will try to get her back by hook or crook. He has turned completely negative. But, yesterday, he just crossed the limits. His dialogue "tum chahe duniya ke jis kisi kone main chup jao Kasturi, main tumhe doond nikaloonga. this is my challenge" clearly indicates that he will not leave her at all and will follow her like a shadow everywhere.
But, overall, I liked Karan's acting yesterday. He was simply fabulous.