Discover the story of the song > Lonely Heart – 5 Seconds Of Summer

The lyrics are about a person who has a deep connection and love for their partner. The protagonist promises to always be there for their partner and follow them wherever they go. They describe their love as a burning fire and express their hurt if their partner were to leave. The protagonist asks for another chance and hopes to start a new life with their partner. However, they also acknowledge that sometimes their partner may not have a reason to stay, and in that case, the protagonist knows they will always have a lonely heart. They accept that loneliness is something they are familiar with and that it is not new to them or their partner. Despite this, their love for their partner remains strong.