Writers should definitely employ the F-A-D order of dialogue stuffs. Things happen, then you react to them. Do it out of order and the reader's subconscious doesn't know what's wrong. They'll just know it doesn't flow right. // 5 Basics About Dialogue (Beat vs. Tag and F-A-D)
You can definitely skip some of the steps because when my mom died I went from shock to guilt straight to acceptance, but my sister got stuck in depression for a while so yeah, feel free to switch them around or skip some.
The Myers-Briggs Types of 202 Fictional Characters