Communicating with former spouse by making juice (10)

I believe the answer is:

expressing

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'communicating' is the definition.
(expressing is a kind of communicating)

'with former spouse by making juice' is the wordplay.
'with' is a charade indicator (letters next to each other).
'former spouse' becomes 'ex' (an ex-spouse).
'by making juice' becomes 'pressing' (I can't explain this - if you can you should give a lot more credence to this answer).
'ex'+'pressing' is 'EXPRESSING'.

Can you help me to learn more?

(Other definitions for expressing that I've seen before include "Communicating" , "verbalising" .)

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

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