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general::
Phrase(s): (I’ve) never been better. [and] (I’ve) never felt better.
a response to a greeting inquiry into one’s health or state of being. • Mary: How are you, Sally? Sally: Never been better, Mary. How about you? • Doctor: How are you, Jane? Jane: Never felt better. Doctor: Then why are you here?
McGrawhill's American Idioms And Phrasal Verbs