Love-affair can trouble in European capital (7)

I believe the answer is:

romance

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'love' is the definition.
(I know this)

'can trouble in european capital' is the wordplay.
'trouble' indicates an anagram.
'in' indicates putting letters inside.
'european capital' becomes 'rome' (capital of Italy).
'can' anagrammed gives 'anc'.
'anc' inserted into 'rome' is 'ROMANCE'.

'affair' acts as a link.
This may not be right. It may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for romance that I've seen before include "Cameron (anag) - love story" , "Novel (or often its main theme)" , "Feeling of mystery; love affair" , "Language group; love affair" , "(Wonderful) piece of fiction" .)

I've seen this clue in The Irish Independent.

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