i'm agreeing with you.
The meaning of this idiom is 'that's the problem'.
http://www.usingenglish.com/reference/idioms/there's+the+rub.html
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The meaning of this idiom is 'that's the problem'.
I question the validity of the assumptions, being made in this rather superficial research.
awwwwwww....Two men in black suits came to my house for the clarinet.
