Do you realize that what has happened has happened? The time and energy you spend complaining about it will get you nothing but a lot of frustration and negativity.
Instead of looking back, fretting, and arguing about why, how, or who is at fault, stop, look at this moment, and consider the positive possibilities available to you now.
Beginning today, begin to let go of your attachments to what has already happened and choose to take what has happened and turn it into a positive force in your life.