A miracle is an event which creates faith. That is the purpose and nature of miracles. Frauds deceive. An event which creates faith does not deceive: therefore it is not a fraud, but a miracle.
We fight for lost causes because we know that our defeat and dismay may be the preface to our successors' victory, though that victory itself will be temporary; we fight rather to keep something alive than in the expectation that anything will triumph.
Other people are not here to fulfill our needs or meet our expectations, nor will they always treat us well. Failure to accept this will generate feelings of anger and resentment. Peace of mind comes with taking people as they are and emphasizing the positive.