In fact, it is the other way round. All these years, Yash banna has dreamed about Diya's marriage with Abhay more than Diya herself. :-D
Even now he keeps on convincing Ratan (and even Diya in the jali hui roti scene), how much Abhay loves and cares for Diya.
I wonder how will HE react when he comes to know Abhay does not love Diya any more!
Becahre Yash banna ka dil tootne waala hai!