Our brains are amazing. They can contain the immensely complex creature that is even the most average human. Our thoughts, feelings, hopes, and dreams are all locked in that one amazing structure. Our brains can also have their own age, just like any body part, even if so complex, they wear and tear eventually. The rate of this wear and tear depends on so many factors: Personality, habits, genes - that it could be any of 100 reasons why someone's brain ages slower than average. This quiz will try to give you an answer judging only on your subjective answers to the questions.