When is it not a good time to use a formal outline?

It would not a good time to use a formal outline

1. when listening to a lecture
2. when listening to music to evaluate it in music appreciation class
3. when asked to write a 5-paragraph essay as part of a test or placement test in college
4. when making a store list
5. when writing a love letter to your boyfriend or girlfriend
6. when giving a verbal answer to a parent, teacher, minister, friend