1. Good writing is about 2% hard work, 98% arsing around.
2. If you’re stuck for a direction for your writing to go in, have a walk to the post office. It often helps ideas to form.
3. If ideas are forming but you can’t quite get them out of your head and onto the paper, spend several hours agonising over the best way to make an inappropriate pun fit into what you’re writing. You can cut it out again later.