It's always better to speak the language of the team. Not only for the direct contact with everyone - sometimes it also helps you to understand the mentality of the people in the team a bit better.
Alain ProstWhen I test I never go right to the limit. Only because when you are below the limit you can go at the same speed all day, and that's the only way you can be absolutely sure about what you are testing.
Alain Prost