Why do people leave suicide letters?

People leave suicide letters for various reasons, often as a means of expressing their feelings, thoughts, and struggles. These letters can serve to provide closure to loved ones, explain their decision, or convey sentiments of love and remorse. Additionally, some may hope to communicate their pain in a way that fosters understanding and reflection among those left behind. Ultimately, the letters reflect a complex mix of emotional turmoil and a desire to be heard.