The average professional only interviews very few times during your career lifespan. Like anything else the more you practice, the better you become. Why would you try to "wing it" regarding something that has a direct impact on your livelihood?
Professional Mock interviews provide the following benefits:
A. Direct feedback in a stress free environment.
B. Helping to boost your confidence.
C. Mock interviews help to reduce the stress and anxiety regarding interviews.
D. Mock interviews can help you prepare for those unexpected behavioral-based interview questions.
Why risk your future, when you don't have to?
"Stay ready, so that you don't have to get ready."