People in this world seek their whole life to find happiness and love, we're never content, we always need something more just something that's greater than what we have now because that's how malcontent we are, even if are greediness can hurt  others we just don't care about the consequence at the time of our bliss but then time passes and you realized grass ain't always greener on the other side but its already too late coz they too has changed and bringing everything where they were before is just impossible. Its always easy leaving, its the process of returning that'll take you a long journey to complete.