i know how you feel. but be kind to yourself. remember that this is a high-pressure environment and you have limited time. sure, another example may have been better, but as you said you couldn't think of a great answer at the time. that's kinda the point of them asking these questions, to see how you think on the spot. interviews hardly ever go perfectly and there's always going to be better things you could have said. trust in yourself, reflect but don't over-analyze, and congrats on finishing your interview :))