It can go up for both and I think that' s what we see for both.

Student: Given that the books have all the tricks what if you read this book and listen to your talk what fraction of people should I expect?

Do you remember anything else we must and must not do?

While some of us may know more about this than others, it is a fact of life, and there is no way around it.

They must genuinely like one another, and work well together.