For best results apply metaphysical principles intermittently. You don’t want to be at your problems all the time, that’s counterproductive.
The secret is to trust yourself. If you trust yourself you’ll know how often to think about what you are trying to manifest and when you need to rest and divert your attention.
If you if you trust yourself the metaphysics will work better. If you trust yourself you’ll get better results.
You have to eventually learn to trust yourself. That’s the ultimate goal. The sooner you do it the better.