You are right @ mrs fazal in the aspect of love in general, but for lover and beloved the rule changes, and there is no beloved in societies, Western or Eastern that a lover is able to tolerate sharing in her/his love.
G bilkul sahi kaha ap ny apna haq mangna koi buri bat ni lekin yeh ma'ashry k tanazur me bola gaya hai k mat be aisy ko log bura smjhty hn to buro he sahi