Maybe you lost a job unexpectedly.
Maybe you haven't had to interview in years or decades.
Maybe you suffer from anxiety in other areas of your life.
Maybe you have a "behind the scenes" role and you don't often need to "sell yourself."
Maybe public speaking terrifies you.
Maybe you're concerned that an accent puts you at a disadvantage (it doesn't).
Maybe it's your first job, ever.
Maybe your family is counting on your income.
Maybe you're counting on your income, too.