Cryptic setter's long-suffering without love (8)

I believe the answer is:

mystical

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'cryptic setter's long-suffering without love' is the definition.
I can't tell whether this definition defines the answer.

'cryptic setter's long-suffering without love' is the wordplay.
'cryptic setter's' becomes 'my' (belonging to the crossword setter. I am not sure about the 'cryptic' bit.).
'long-suffering' becomes 'stoical' (I've seen this before).
'without' suggests deleting specific letters.
'love' becomes 'o' (love means zero in tennis).
'stoical' with 'o' taken out is 'stical'.
'my'+'stical'='MYSTICAL'

Can you help me to learn more?

(Other definitions for mystical that I've seen before include "Occult, spiritual" , "of occult rites" , "Inexplicable" , "Slimy act? (anag)" , "wonderful" .)

I've seen this clue in The Independent.

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