Build your stuff in public, that way you get early feedback, and you will quickly see if the thing is good (or bad). And it is good to know early if something is bad, this way you wont spend too much time working on it.

Sivers journals A LOT. He thinks and records his own thoughts

You have to bring your worst out in journaling, this way it becomes a form of therapy

You have one shot to live your life by your values