love is a feeling controlled by mind,but lust is controlled by heart over body. here the reader's shud be capable enough to differentiate the mind and heart.MIND IS UR REDEEMER, HEART IS UR CULPRIT.
Sex has no meaning without emotional attachment with each other. That makes a clear distinction between Love and Lust. Love begins and ends with lust, whereas lust begins with physical relationship but culminates into emotional relationship.