Long viva, short viva. Good viva, bad viva.
Discussion or conversation? Chat or challenge?
Ready or prepared?
Words change how we feel about things.
Some people are tired by their viva, but I was exhausted.
Confident or nervous, nervous or anxious, anxious or worried, worried or terrified?
The descriptions for your viva are relative. A three hour or longer viva might feel intimidating now, a really stressful idea. Compare it to the thousands of hours of work you’ve done before. Compare it to how you might feel afterwards. Maybe, like some researchers, you’ll just think, “Was that it?”
Words really, really matter. Choose them carefully.