Our bodies are amazing systems that can take care of themselves and in the meantime keeps warning you if they need something. For example, if we get sick, we have some symptoms before which is the way your body warns you. You need to be aware of these signs in order to take care of it. On the other hand, your body can give signals that may repel other people from you. For example, bad breath is one of them. You can check if you have a bad breath or not in a couple of easy ways. For example, you scratch your tongue with a spoon. If you have white saliva then you do not have bad breath. But, if the color is brown, then you need to be careful.