At some point, if you're changing a really deep-seated behavior, you're going to have a moment of weakness.
Charles DuhiggThe biggest moment of flexibility in our shopping habits is when we have a child, because when you think about it, all of your old routines sort of go out the window, and suddenly a marketer can come in and sell you new kinds of things.
Charles DuhiggSelf-discipline has a bigger effect on academic performance than does intellectual talent.
Charles Duhigg