What evidence suggests that George is not optimistic about duration of his new job?

Evidence suggesting George is not optimistic about the duration of his new job may include his expressed concerns about job stability, such as mentioning potential layoffs or the company's financial difficulties. Additionally, if he frequently discusses plans for alternative employment or expresses dissatisfaction with the work environment or management, it indicates a lack of confidence in his current position. His body language and tone when talking about the job could also reflect uncertainty and pessimism about its longevity.