"Two Years Ago" by Ellie Goulding is a song about reminiscing on a past relationship that ended two years ago. The lyrics describe a love that was once strong and unstoppable, with the couple feeling invincible as if they had unbreakable powers. However, as time passed, their love started fading away, leading to a collision and eventual breakup. The song reflects on the lingering feelings and memories that the narrator still holds for their ex-partner. They can't forget about them and are still thinking about them two years later. Despite the pain and heartache caused by the breakup, there is still a part of the narrator that believes in the possibility of their reunion. However, they also acknowledge that they need to move on, even though it's a difficult process. The lyrics touch upon the idea of lost love, the fading of once strong emotions, and the struggle to let go of the past. It's a bittersweet reflection on a relationship that no longer exists but still holds a significant place in the narrator's heart.