I Want You (She's So Heavy) by The Beatles is a song that conveys deep longing and desire. The repetitive nature of the lyrics 'I want you' highlights an intense obsession and emotional weight. The song's minimalistic lyrical content paired with its progressive, bluesy musical arrangement draws the listener into the profound depth of yearning. The use of 'heavy' implies a sense of burden or overwhelming emotion tied to this desire. Key themes include love, longing, obsession, and emotional intensity. A particularly poignant moment is the continuous build-up and eventual abrupt cut-off at the end, symbolizing the inescapable, consuming nature of desire.