You know they're not for you, but your mind still wants them. You work, train, reply to texts, laugh with friends. But at random moments, they suddenly show up in your head. It's not because they were perfect, but because nothing ever ended. You see, your brain simply hates unfinished stories. When there's no clear goodbye, no explanation, no final conversation, then your nervous system treats the bond as unresolved. So it just keeps checking. Replaying. Hoping that clarity will magically appear. This isn't longing. It's cognitive attachment. Your brain isn't just letting go of people. It's trying to close an unfinished loop so it can finally feel safe again. When you don't define the ending, your mind keeps visiting the past, trying to finish it for you. And that's why you miss them.