The more we create expectations about someone or something, the more we suffer frustrated that something actually didn't happen as it should.
Whatever has to happen, but never create expectations in people, try to have your own balance, this however is the great secret to not get frustrated. Don't be fooled by anyone, none of the people will change just and simply to please you.
Learn to accept differences, and fill your needs with yourself, with your attitudes, reflect a lot on your life, and make your choices. No one but yourself who can make yourself happy and be happy... you need to depend only on yourself.
Anyone who decides to live a life of expectations lives frustrated because no one cares if you're okay or not. Expectations make you lose yourself in time, because they are like blindfolds on our eyes, which prevent us from seeing the situation in its entirety and can hinder our growth and ability to maintain healthy relationships, and with that we are sadder and have no way out.
Don't expect anything... that way it's much easier for you, because what comes is profit.