Millay’s poem “What lips my lips have kissed, and where, and why” is filled with lament. Not for a specific love or lover but the vitality that youth, love, and the possibilities life provided then that no longer does. The speaker is grieving her youth.The final chapter to her youth. The speaker is surrendering to the torment of the “ghosts tonight, that tap and sigh / Upon the glass and listen for reply”. She is the “lonely tree” where birds no longer sing. She is remembering her youth and her sexuality.