Which of the following is NOT a principle for achieving you-attitude?

A) Do not presume that you know how the reader feels or will react.
B) Focus on what the reader receives or can do.
C) Always use the word "you".
D) In positive situations,stress what the reader wants to know.

While using the word "you" can be helpful in achieving you-attitude, it is not a necessary principle. The focus should be on what the reader receives or can do, avoiding assuming how the reader feels or will react, and stressing what the reader wants to know in positive situations.