why is every1 forgetting its a love story ?

ok guys ,i want to say ,its a show right ,a fiction ,so anything can happen in fiction ,so why cant prem choose heer ?i know its a family drama but mainly it is love story ,isn't it ?last time when lallu threwq him that was a love story bcoz he left with heer ,this time it should happen also .prem should be with heer bcoz gayatri has everyone in family ,heer has nobody ,prem married her ,apni patni ko chorna jis k jindegi mein prem k elawa kuch nehi hai ,wo kaha jayegi ? prem must think about her & leave the jzoo quitely ,BCOZ THEY HAS TO SHOW US MAINLY HOW MUCH PREM LOVES HEER ,NOT HOW MUCH PREM LOVES GAYATRI ,IF PREM CANT SACRIFICE HIS FAMILY FOR HEER IT WONT BE A LOVE STORY ,KYUKI LOVE STORY MEIN INSAAN SARE HADH PAAR KARTE HAI ,ISN'T IT ? plz dont get cofuse , i m not talking about real life aur agaar prem gayatri ko choose na bhi kare toh bhi uski image nehi badlega ,kyuki we all know about gayatri is doing now,right ?