Can trust be that powerful? Yes- it really really is because there is magic in sustaining an honor code that makes life possible.
Trust in yourself
Trust in others
Trust in God
Having faith in yourself is the key to living in confidence and with a super healthy self image in order to create joy in the world! When someone interferes with the way you trust yourself which can change the way you see yourself in this world, it makes it difficult to trust in anyone! This happens because it's the law of cause and effect- the thing you have is the thing you give. If you trust and have plenty of it, then you can give it away. This is true of love, caring, patience, understanding, and compassion.
Can you gain trust back once it's broken? It really depends on the quality of the person that made the promise. If that person sincerely shows that they are genuine about making amends and truly wanting to be respected as an honest worthy of believing type person, then things can maybe get better!
With that said, "Put a little MaxPower into your life!"