Trust

Is it really humane to trust and then distrust, and may be trust back again? Is it fair?

I've had my share of trust, distrust, and trust ... Is a moment of distrust following? Will I be able to distrust again? And later, will I be able to trust again?

Is it reasonable to kind of shift between the trust and distrust just based on the need of the hour? That would probably not be a valid statement. We go into a state of distrust when we need Him the most and He isn't there. Or it seems He isn't there. Why do we go back into a state of trust at some point in time again then? Do we need Him again? Do we forgive Him?

Is it fair on our part? Is it fair for Him? Can He forgive us for distrusting Him?