Women still have an uneasy relationship with power and the traits necessary to be a leader. There is this internalized fear that if we are really powerful, we are going to be considered ruthless or pushy or strident - all of those epithets that strike right at our femininity. We are still working at trying to overcome the fear that power and womanliness are mutually exclusive.
You are the driver of your mind, so take charge and keep it busy with your instructions by telling it where you want it to go. Your mind only takes off on its own if you are not telling it what to do.