This question can be interpreted in different ways depending on the context, but one possible answer is that you may be someone who is experiencing a temporary or long-lasting change in your identity, such as due to a mental or physical health condition. Alternatively, it could mean that you are in a situation where you are pretending to be someone else, such as in a role-playing game or a social situation where you feel the need to present yourself in a specific way. Ultimately, the answer to this question depends on the circumstances surrounding your experience.