If it is a secret, maybe you shouldn't know it. That's the whole point of a secret. You are not supposed to be telling everyone about it, even a best friend. If you told them something and made them promise not to tell would you want them telling everyone?
Chat with our AI personalities
There could be various reasons why your best friend won't tell you a secret. They might not feel comfortable sharing it or they might fear that sharing the secret could damage your friendship. It's important to respect their boundaries and understand that they have their reasons for not disclosing the information.