Trending now - adult coloring books. Do you know that you can use your nature journal to de-stress! It's easy! While on your nature walk, pick up a few leaves. Once you are back inside, trace the outline of each leaf on a page in your journal. Then use watercolors, crayons, whatever you have, to color them in.You don't need to add any details because now you are going to sit back, put your feet up, and using a fine line black Sharpie just doodle designs on the leaves. It is fun. It is mesmerizing. But, warning: it can be habit forming!