It's Only Love by The Beatles is a song that explores the complexity and emotional turmoil that comes with romantic relationships. The lyrics express a mixture of elation and frustration, highlighting the confusing nature of being in love. Key themes include love's intoxicating power, the confusion and struggle it often brings, and the realization that despite the overwhelming feelings, 'it's only love.' Poignant moments include lines that convey the emotional highs and lows, such as feeling both joy and despair in the presence of a loved one.