Me: You thought of marrying a guy (with mutual interest though.. ) .. and your parents reject your proposal.. what will you do..???
Girl: I will stick with my parents opinion..
Me: Same situation.. what if the boy says.. he will commit suicide..when things should fail.. What will you do... ??
Girl: hmm.. taking care of the boy seems more important.. here. .
So... with this single point in the whole sample space.. I here by conclude that.. negotiation has its part everywhere.. even in love.. ;)