Start a new (good) habit, kill an old (bad) one

[ahlam1399]

Odds are, you are trying to break a bad habit or institute a good one right now. As a species, we are impressively committed to self-improvement, and most of us believe that habits are an effective means to that end.

أكثر... (http://www.cnn.com/2018/01/05/health/habits-wisdom-project/index.html)