Sentence examples for has a reason from inspiring English sources

The phrase "has a reason" is grammatically correct and can be used in written English.
It is typically used in the context of explaining or justifying something, stating that there is a specific rationale or cause behind an action or decision. For example: "I'm sorry for canceling our plans, but I have a reason. My boss called me into work unexpectedly." This sentence implies that there is a valid excuse for the cancellation. Another example: "I can't go to the party tonight, but I promise I have a reason. My grandmother is visiting from out of town." In this case, the speaker is indicating that there is a legitimate explanation for their absence.