It's never too late to learn, but a career change at 64 is like trying to train for the Olympic after retiring. The only job that's waiting for this man is a position as a home attendant. I don't believe there are many job opening for a 64-yrs-old nurse at the hospital.
Michael Che: That Ship Has Sailed, ManALT: Michael Che: That Ship Has Sailed, Manstatic.klipy.com