Today, I want to lose 20 pounds.
Of course, I can’t actually do that unless you find a way to cheat.
The same can be said for becoming a doctor or lawyer.
What you can do instead is turn toward a direction and develop the habits of the person who it is you are trying to become.
Ellen Langer has said for anyone wants to become an artist only needs to start doing art.
If you want to become a marathon runner, it helps identify what marathon runners do–which is simply run. If you are not running, then what are you doing?