I'm Looking Through You by The Beatles delves into the themes of disillusionment and the realization of change within a relationship. The song’s lyrics express feelings of disappointment as the narrator sees their partner in a new light, revealing a shift from initial affection to a sense of betrayal. Key themes include change, realization, and emotional distance. Notable moments in the song include the repeated line 'I'm looking through you, and you're nowhere' and 'You don't look different, but you have changed'. These lines poignantly highlight the emotional core of the song, emphasizing the sense of seeing past pretenses and recognizing a deeper truth about the partner.