“Aren't you ready yet?” “Don't be so 'impatient'. There's no need to hurry.”
She was becoming more 'impatient for' the opportunity to begin working.
After months of delays, customers are becoming/growing 'impatient'.
(..) ...you suspect her. Well. l can only... ...speculate as to the reasons why. Have you ever speculated. Mr. Harding... ...that perhaps you are... ...impatient with your wite... ...because she doesn't meet your mental requirements? Perhaps. But you see. the only thing l can really... (..)1975 One Flew Over the Cuckoo's Nest