use adjectives

you are proud when you had the time do everything that you had planned.
she was upset when she understood that she forgot add something, but this moment was a lucky one because she still had time to add the salt that she had forgotten.
you are nervous when you take an exam.
you look worried.
you should be concentrating and checking all that you do.
you should be calm in a nervous atmosphere.

The second and third sentences lacked clarity of meaning. Edited to informal U.S. English.