Jay saved Piya...(why)

In yesterday's episode Jay saved Piya , but guys i think there is a big reason behind that. Ho sakta h wo bad m apne bro ka bdla lene k leye Piya par attack kre, because he use to hate Piya nd all D sisters . wo Piya p njar rakh raha h or Abhay k nam ka friend request b beja h. what do u think friends .