Forgive yourself and move on. Release the need to rehash, review or relive what you could have, should have or would have done. Instead, be aware of what you learned about yourself.
Look at what the situation showed you that you were unwilling to see. Forgive yourself...despite your choices, actions or inaction and in spite of your lack of knowledge or misplaced trust. There may be consequences and responsibilities that you must face.
Avoidance and denial are poor substitutes for decisive action. Stop swinging at yourself with a super-sized bat. Put it down, pick yourself up, dust yourself off and know this..you will learn to trust yourself again, despite what you may be feeling now. Be gentle on yourself. Choose to be stronger, wiser, more courageous, determined, and committed to living in the present and building a brighter future for yourself. Remember, you have something special. You have GREATNESS within you!!