From the book, on the habit loop and why we're using toothpaste every day http://www.slate.com/articles/arts/culturebox/2012/02/an_excerpt_from_charles_duhigg_

From the book, on the habit loop and why we're using toothpaste every day http://www.slate.com/articles/arts/culturebox/2012/02/an_excerpt_from_charles_duhigg_s_the_power_of_habit_.html http://www.slate.com/articles/arts/culturebox/2012/02/an_exc...