Telling other people about your diagnosis can be a complicated and complex decision. Depending on your personality and situation, it may also be a straightforward exercise that requires little introspection. If and how you go about it is up to you. If you want to tell other people about your illness, how do you know whom to tell and when? How much information should you give? What if you feel uncomfortable sharing the information? Do you treat the issue differently in your personal life than your professional life? This chapter offers advice on dealing with these questions.