yeah. by john legend. which is an accurate description of the way relationships work. that is in a convoluted fashion with tons of drama and probably if aliens are studying us they would draw the reasonable conclusion that relationships are mostly propelled by pure hatred of the other. and that whole lust theory? it's just a myth. lust serves as a starting point for the complicated drama of the relationship. sex is an excuse for living our own version of the young and the restless. because we humans work by the whole "keep your friends close and your enemies closer" principle.