E-cigarette's case stays in need of repair (7)

I believe the answer is:

ecstasy

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'e-cigarette's case stays in need of repair' is the definition.
I can't tell whether this definition defines the answer.

'cigarette's case stays in need of repair' is the wordplay.
'case' means to remove the middle letters.
'in need of repair' indicates an anagram.
'cigarette' with its centre taken out is 'ce'.
'ce'+'stays'='cestays'
'cestays' is an anagram of 'ECSTASY'.

Can you help me to learn more?

(Other definitions for ecstasy that I've seen before include "Powerful hallucinatory drug" , "Feeling of great joy" , "State of perfect bliss" , "Delirium as from youth drug" , "Feeling of immense rapture" .)

I've seen this clue in The Independent.

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