How many of us can agree that it's common to feel when we have goals in mind or important stepping stones we would like to take/accomplish, there can sometimes be a little thought in the back of our minds that causes us to doubt ourselves and doubt whether we can actually accomplish our goals. It may be a thought as simple as, "but the last time I did this, it didn't end well. It won't be any different this time" or maybe something more extreme. Here are 3 reasons why we doubt selves and how to overcome them.