Time + patience + other hobbies + moving on.

If you can manage to stop worrying about it and move forward, then the curiosity and magic has space to grow. Worrying that the magic isn't there is not a good way to bring it back, it's not a good mindset to have anything positive arise. But "giving in" is easier said than done of course, since you want the magic back :) Once you stop wanting it, it will have a chance to return