Let go of those expectations!

Yes, of course, we need a certain degree of predictability in life in order to function. For example, when we drop something, we expect it to fall and not float upward. When we stop at a red light, we expect it to turn green eventually. It's important, however, not to assume that our wellbeing depends upon our expectations being fulfilled:

The position that I take - partly as a result of living in Asia - is where you stop living according to your expectations and you become available to experience things as they are.

-- Martha Beck

The way things are is the way things are --- regardless of whether we accept that or not. The choice we have is over how much we suffer. And the most effective way to alleviate our own suffering is through acceptance.