You do not know, you cannot know, the difficulty of the life of a politician. It means every minute of the day or night, every ounce of your energy. There is no rest, no relaxation. Enjoyment? A politician does not know the meaning of the word.
I think it's very important to keep being frightened - if you're not frightening yourself, you should take a break. You need to keep experimenting. You also need to take time - that's how you do good stuff - layering and depth of knowledge.