Discover the story of the song > Everything I Didn T Say Live – 5 Seconds Of Summer

The lyrics are about the protagonist regretting not expressing their love and appreciation to their partner. They wish they could go back in time to show their partner how much they mean to them. The protagonist acknowledges that they were wrong and selfish, caught up in their own emotions and unaware of their partner slipping away. They express their regret for all the mistakes they've made and the things they didn't say. They also acknowledge that it may be too late to make things right, but they still hope for a chance to reconcile in the future.