The song "Everything I Didn't Say" by Ella Henderson explores the theme of regret and unspoken feelings within a relationship. The lyrics suggest that the protagonist has been in arguments with their partner and they realize that they have not expressed their true emotions and apologies. As a result, they feel responsible for the strain on the relationship. The line "Get the violins out" implies that the situation is dramatic and emotionally charged. The protagonist acknowledges the problems in their relationship and admits that they have made mistakes. They express their love for their partner and apologize for taking them for granted. The lyrics also touch upon the difficulty of communicating their emotions and the tendency to bottle up their feelings. Despite the tension, they still love their partner deeply and appreciate the lessons in love that they have learned from them. The protagonist realizes they need to take responsibility and confess their regrets and unspoken words to attempt to save their relationship. The song suggests that by opening up and expressing what they truly feel, they may be able to mend their broken hearts. Overall, "Everything I Didn't Say" portrays the anguish and longing to make amends for past actions and unspoken words with the hopes of salvaging a relationship on the verge of breaking.