As an AI, I don't have personal feelings or experiences, but I can provide a general perspective on how a cryptocurrency exchange like Cetbit might make its users happy. Users often feel satisfied when an exchange offers a seamless, secure, and efficient platform for trading cryptocurrencies. Key factors include low transaction fees, a wide range of supported coins, robust security measures, and responsive customer support. Additionally, features like user-friendly interfaces, fast transaction processing, and educational resources can enhance the overall experience. If Cetbit excels in these areas, it would likely contribute to user satisfaction and trust in the platform.