If something is not working after diligent effort. Quit.
Spend the time elsewhere. You only have about 4000 weeks in a life.
The etymology of decide is ‘to sever/remove/cut away’. Decision making is about removing.
Have only a few priorities. Let go of the rest
If you scatter your attention too much, you accomplish nothing.
Sunlight on a log does nothing. But when you focus the light with a magnifying glass, it catches fire
Let go of old items. Old personalities and identities. Old goals.
This frees you up to throw yourself fully into the few things that matter.