The song Sin Pensar by Lauri Garcia is about a relationship that ended unexpectedly. The lyrics express the emotions of being left without thinking and feeling hurt by the sudden departure of the person the speaker loved. The song suggests that the speaker believed they were meant to be together, but the other person decided to leave without any explanation or hesitation. They left the speaker crying and feeling alone, embraced only by their tears. The chorus questions why they were supposed to be perfect for each other if the other person could just walk away. The speaker is confused and uncertain about what to do with all the messages and photos that remind them of the past. The song acknowledges that everything has come to an end, especially when things are going wrong. The person the speaker loved is no longer with them, and they left without considering the consequences of their actions. The lyrics also reveal the pain the speaker feels because the other person said they loved them, but the speaker didn't notice their true feelings. The other person apparently mentioned dreaming about being with the speaker but then introduced someone named Fer, causing further confusion and hurt. The chorus repeats the questions about why they were meant to be together and what to do with the messages and photos. The uncertainty and emptiness are emphasized, indicating that the loss is deeply felt. The song ends with the repetition of the phrase "Te fuiste sin pensar" (You left without thinking), emphasizing the suddenness and thoughtlessness of the other person's departure. The speaker pleads to be allowed to stay with them, expressing their love and the desire for the other person not to leave without considering the consequences. Overall, "Sin Pensar" explores the pain and confusion of a relationship ending abruptly, highlighting the feelings of loss, hurt, and the longing for reconciliation.