Didn’t stop the girl and boy getting together (7,2)

I think it could be either:

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7,2

carried on

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'getting together' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'didn't stop the girl and' is the wordplay.
I cannot quite understand how this works, but
'girl' could be 'carrie' and 'carrie' is found in the answer.
'and' could be 'n' (common abbreviation for 'and') and 'n' is located in the answer.
The remaining letters 'do' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'boy' acts as a link.

Can you help me to learn more?

(Another definition for carried on that I've seen is " Continued".)

I've seen this clue in the Evening Standard.

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