Thank you Ivanhr. I know this idiom but I can't understand why the writer has used that idiom at the end of the sentence when he has already said that she/he is upset. Has it been used correctly? Isn't it redundant?
Yes, I think that some people will find "cut to the quick" wrong there (or at least awkward). The writer could have used the phrase in place of "so upset" and the sentence would read much better, in my opinion.
The boy's being "so upset" / "cut to the quick" is a direct result of his father's action but the way the sentence was written gives the impression that "cut to the quick" is a co