In Bhagwat Gita, Arjun say's to Lord Krishna," My mind is verily restless, turbulent and obstinate, I deem it hard to control
as the wind."
Lord Krishna gave a very helpful point." By practice and non attachment the mind can be controlled." It means practice and
non attachment..........Bhagwat Gita
A constant attention,awareness, vigilance is necessary. A slight diviation may take you to Los Angelus instead of New York.