I recommend reading this article from Breslov Israel: http://www.breslev.co.il/articles/family/children_and_education/the_magic_formula.aspx?id=23815&language=english
This article explains how our own expectations result in anger at almost everyone we deal with on a daily basis. Maybe we should lower our expectations, increase our emuna and allow Hashem (God) to take control. We would certainly be better off!