Often we are these decision point on flow chart.
The choice is to either continue what we are doing the rest of our lives or to start something new, like a new job, move to a new place or take up new challenge.
Some of us who have

- Guts to change their life
- Take up new challenges
- Face new odds

They usually take up the chance to change their life.
Others just find some excuse (there can be thousands of them) and continue with their life. Both these people are right, as its their life, which is changing for good or worse as per the decision they take.