Get this straight -- accept I'm old and confused! (11)

I believe the answer is:

complicated

I'm a little stuck... Click here to teach me more about this clue!

'confused' is the definition.
(I've seen this before)

'get this straight accept i'm old' is the wordplay.
'accept i'm old' anagrams to 'COMPLICATED'.
But, I'm not clear how this is indicated.

'and' acts as a link.

Can you help me to learn more?

(Other definitions for complicated that I've seen before include "Intricate, difficult" , "confused" , "consisting of many interconnecting parts" , "Tricky" , "Not simple" .)

I've seen this clue in The Telegraph.

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