text: Receiving more voices and advice on a matter might not only allow you to make a better decision, but also allow you to gain more knowledge on that subject, like a decision to go on the keto diet. Your friend might offer pros and cons to going on a keto diet, and why you might like it or hate. Each person has their own knowledge on a certain subject, like a doctor could offer you knowledge about health matters, or a lawyer could offer you knowledge about civil matters. If you had an important decision about your health, you might want to go to your doctor to get his advice on the matter, because he knows more about that topic. He also studied more about it and is more knowing.