Need To Know
What do you need to know about the viva to feel happy with the process?
What do you need to know about your examiners to feel comfortable talking to them?
What do you need to know about the logistics of your viva day to feel sure it will go well?
What do you need to know through completing your preparations to feel ready?
And, when you know what you need to know, what do you need to do to get ready for your viva?