One action is all that it takes to turn a life of disappointment into something else. Just like we are incapable of escaping the responsibilities of life by retreating into the past, we also should not ignore the present by hoping alone for a better future.
Make a decision.
If it is to become the wrong decision, so be it. You have at least made an attempt to improve the lives around you, and you can use this experience to better learn strategies for the next choice which must be made around the corner