Cute anger management for a twelve year old (9)

I believe the answer is:

tweenager

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'a twelve year old' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'cute anger management' is the wordplay.
'cute' becomes 'twee' (twee can mean cute or pretty).
'management' is an anagram indicator.
'anger' is an anagram of 'nager'.
'twee'+'nager'='TWEENAGER'

'for' is the link.

Can you help me to learn more?

(Other definitions for tweenager that I've seen before include "adolescent" , "Possibly a ten-year-old" , "Precocious child" , "Youngster" , "exasperating twelve-year-old" .)

I've seen this clue in the Sydney Morning Herald.

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