On a serious note, I actually agree with you.. I thought I was the only one who found him off in a some romantic scenes. He needs to buck up. If possible give him the feedback. And that guy needs to take feedback..
I am talking about romantic scenes.
Overall I liked his acting there, barring some places where he was expressionless. But in hardcore romantic scenes like Suhaag Raat, etc, he was stiff as a pole.