Overthinking is a common mental habit characterized by excessive and repetitive thinking. It involves dwelling on past events, analyzing future possibilities, and constantly questioning oneself. Overthinking often arises from a desire for certainty, a fear of making mistakes, or a need for control. However, it can lead to increased stress, anxiety, and indecisiveness. Understanding the basics of overthinking involves recognizing its patterns, identifying triggers, and developing strategies to manage and redirect excessive thinking. By cultivating self-awareness and adopting mindfulness techniques, individuals can break free from the cycle of overthinking and find greater peace of mind.