Nothing fine about a fine romance!

I believe the answer is:

love affair

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'romance' is the definition.
('love affair' can be a synonym of 'romance')

'nothing fine about a fine' is the wordplay.
'nothing' becomes 'love' (I've seen this before).
'fine about' becomes 'af' (I am not sure about this - if you are sure you should believe this answer much more).
'a fine' becomes 'fair' (I've seen this before).
'love'+'af'+'fair'='LOVE-AFFAIR'

Can you help me to learn more?

(Other definitions for love affair that I've seen before include "A (short?) romantic relationship" , "Romance" .)

I've seen this clue in The Telegraph.

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