Do not waste time trying to figure out why you feel frustrated and impatient, try to control these emotions.
Your mood is one of frustration and impatience today, and this could be for no apparent reason. Do not waste time and energy trying to figure out why you feel like this, but concentrate on doing your best to control these feelings and direct these emotions in a different way. Focus on other things and keep busy, and do not let these feelings out at those around you.