You did it. You got the job. But now comes the hard part. You actually have to go to work. Those first few weeks at a new job can be the toughest. You may not actually have a ton of work but you are so busy trying to pin down your role, understand the office politics and impress everyone. But just like in high school, what you do on your first day can set the tone for how your coworkers and boss see you for some time. We asked some experts what you absolutely shouldn’t do on your first day at a new job.