Notice the 7 primary feelings. Each of those is broken down to a more specific. Then you have the outer ring.
I use this statement with my children frequently:
"I am frustrated" or "You look frustrated"
It is the middle of the road of Anger. My kids have gotten to raging. Many levels of classification. Some people never learn to express their feeling in words
This merits inclusion in the top DB quotes thread.
Have you ever shown this diagram to your kids, and if so, how did you introduce it?