Meaning of "That'll Be The Day" by The La's

"That'll Be The Day" by The La's portrays a relationship on the brink of collapse, with the singer anticipating the pain of separation. The recurring phrase "That'll be the day" highlights the certainty of the breakup, suggesting that the moment will be devastating and life-changing. The lyrics express a mix of love and resignation, as the singer acknowledges the affection they have received but knows it won't be enough to prevent the departure of their partner. Mention of cupid and love's dart symbolizes the initial romantic connection that may no longer be enough to sustain the relationship. Overall, the song captures the bittersweet emotions of knowing a breakup is coming, and the fear of being left alone to face the heartache that lies ahead.