The most stressful part of an injury claim for a plaintiff, next to the trial itself, is the examination under oath. In Ontario, we call this process Examination for Discovery. Our American friends refer to it as Depositions.
The rules of Examination for Discovery are simple. Listen to the question, be brief and tell the truth. It's the first part that trips many people up. The video below sets out a very funny example of what can go wrong when you don't follow this basic rule.