You must be prepared for the pressure on the job and the interview and we can tell you that in order to manage the pressure ,you should be prepared to discuss the aspects of what your professional life will be like before your interviewer brings it up. If it is clear to the employer that you are bothered by pressure or even change then that might bring on a negative vibe for you to the employer. However, by taking a positive stance early on can serve you well. As an employee when you show you can stand the heat it demonstrates your ability to tolerate pressure.