Do you talk with yourself? When we hear people talking aloud with themselves, we consider it weird. But have you noticed that all people, with no exception, talk silently with themselves? This, we do not consider as odd or weird.
It is an automatic activity, which goes on whether you are aware of it or not. If you learn to become aware of it, you gain the ability to control it. You can turn it into a positive dialogue. The inner dialogue goes on, even when physically, you are engaged with something else. It is not so easy to mentally separate oneself from the thoughts and words the flow through the mind.
Read more: The Power of Your Internal Dialogue