I think what is going to happen is that in the next few weeks he will be showing a nicer side of himself to Gauri and then when he knows she has fallen in love he will degrade her in such a way that she and her family will be embarassed.
I would not be surprised if she somehow gets stuck being pregnant. And he will say it is not his kid.
Everyone mentions that this story is similar to Kaisa Yeh Pyar Hai and Kkutumb. In those stories how long did the viewers have to suffer with this hate filled relationships?