What you say during your first day on the job can mean the difference between a lasting relationship with your new employer or a dash in the pan for your career.

“If you say something that’s off, it sets the tone, and that could be the reason for you to be let go in your first three months,” says J.T. O’Donnell, a career and workplace expert, founder of career advice site, CAREEREALISM.com, and author of “Careerealism: The Smart Approach to a Satisfying Career.”

“It’s natural to want to be liked — to impress and fit in quickly,” explains workplace confidence expert Michelle Kerrigan. “However, many try too hard, and talk too much when they should be listening.”