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I would be honest with this new person. While you may work together well, this person does not have to be your best friend. There are some great tips about presenting yourself at the site. Other than that, I would just be honest. If you meet with him or her alone, be sure to bring a synopsis with what your programs are or job is, do not assume they know all the little tasks or big tasks of your job. Also, bring new ideas to the table and ask if they are something they approve of. A self-starter is important to a lot of bosses. Good luck!!