Crossword Genius

Fine pals excited in every minute of existence (8)

Ross

I believe the answer is:

lifespan

'every minute of existence' is the definition.

'fine pals excited' is the wordplay.
'excited' indicates anagramming the letters.
'fine'+'pals'='finepals'
'finepals' is an anagram of 'LIFESPAN'.

'in' acts as a link.

(Another definition for lifespan that I've seen is " This may be curtailed".)

I've seen this clue in The Guardian.
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