Έρωτα θέλει η ζωή κι άσε τους άλλους να ζηλεύουν να ζηλεύουν είναι επόμενο....-) Love wants the life and let the others feel envy(it means to feel envy about you, that you feel in love and happy) is obvious(it means that the other people are obvious to envy you if you looks so happy and they aren't). I hope to find my explanation helpful. If you have any further questions feel free to ask me for.

Hi, modern greek song have shitty lyrics and often use the wrong words just to rhyme or to get the correct number of syllables. In these case what tries to convey is "Let the other envy you (or be jealous), it is to be expected" so the correct translation would be "άσε τους άλλους να ζηλεύουν να ζηλεύουν είναι αναμενόμενο" but "αναμενομενο" (something that should be expected) simply has that extra syllable so they went for "επόμενο" meaning "it follows from that" ... I would strongly discourage you from using pop songs as a reference to learn Greek.