If you could increase your brain capacity, then you could do almost everything theoretically. Although it is still incredibly important to have a safe and strong body, most of us will probably agree that our behaviors are more dependent on our cognitive abilities rather than our physical ones. For example, many individuals have computer-based jobs, which means we need to use our brains to manage information, to control software, or to come up with business strategies. Our ability to communicate with others which, of course, relies very much on our intellect and our brainpower, is a great part of our success. If you give a presentation and pick the best words to express your message, or whether you are in an interview or date setting and try to find the wittiest or funniest answer to a question quickly.