"Nothing Really Matters" Is A Song Of Understanding And Realization Acknowledging That Life Changes And That We Should All Live To Spread Love And Happiness. The Lyrics Of The Song Tell A Story Of The Narrator Realizing Something As They Grow Up That Ultimately Nothing Matters But Love. The Narrator Learns That If They Give Love It Will Come Back To Them While Nothing Takes Away The Past Like The Future And Nothing Brings Light Better Than The Darkness – Referring To The Power Of Love And Kindness. Finally The Chorus Emphasizes That Love Is All We Need And That Everything We Give Will Come Back To Us.