Understanding about Frustrations

Writing about your regrets, feelings, and frustrations can help understand why you did what you did and how you can learn from your mistakes.
Talking to a trusted friend or family member can also help you identify fallacies in your thinking and give you the opportunity to sort through your feelings instead of merely experiencing them inside yourself.
Visualize yourself acting and doing things as you move forward and leave your regrets behind.
Seek out support groups or a counselor in order to discover how you can get relief from regret and guilt.
Keep your situation in perspective. Remember that anything you've done is totally forgivable, even though it may seem unforgivable to you.
Take comfort in knowing that we've all made really huge mistakes! You're not alone. If you only knew all the skeletons in people's closets, you'd know that we all do things we seriously regret at times. But, this too will pass (as they say).
Should all else fail and leave you lacking the will to attempt anything ever again, just leave everything behind. Make everyday a new beginning of your life, and past mistakes mere handicaps that you are born with. Your focus from now wo