Advice not to be ardent about love (5)

I believe the answer is:

avoid

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'advice not to' is the definition.
I can't judge whether this defines the answer.

'ardent about love' is the wordplay.
'ardent' becomes 'avid' ('avid' can be a synonym of 'ardent').
'about' is an insertion indicator.
'love' becomes 'o' (In tennis, 'love' means 'zero').
'avid' enclosing 'o' is 'AVOID'.

'be' is the link.

Can you help me to learn more?

(Other definitions for avoid that I've seen before include "invalidate" , "Bypass" , "Desist" , "Evade - escape" , "Elude" .)

I've seen this clue in the Evening Standard.

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