coquette, i talked from my experience. i am in a relationship, n we have talked through this.
it is one of our mutual agreement that, if ever i feel for someone else or he feel for someone else, we both wud accept it with open mind. n we've been in this relationship for over 2 years now without any issues. we both were open abt our past relationships.
am still friends with my ex, n my boy friend doesnt mind it at all. n really, i cant find enough words to express the intensity of our feelings for each other. just mentionin this, to make it clear that we r just being 'open minded' n not that we 'dont care for each other'.
(i must say that to be sincere with him and to return the respect he gives me, i keep limitations for myself while interactin with my ex.)