The answer is to replenish ourselves. Julia Cameron talks about 'The Well' which can only be fed by going out into the world and seeking inspiration. You might find this by going for a country walk, or looking at the sea, or listening to music, or running in the park.
Sometimes, a familiar artist or musician or landscape hits the spot. Sometimes, you need to do something new.
So this is where I went yesterday...
And this is what I saw...