At the beginning of every month, reserve a page to do a "project" on. As you go throughout the month you can go back and add to this page... A little sketch here, a little definition, and maybe some color with whatever is lying around (like crayons and a highlighter). After every time you write you can add a little something and instead of all those itty bitty doodles you draw since you don't have the patience to sit down and do a whole composition... you can have a long-term doodle that looks more awesome.
Whatever you do, journal or not, I hope you find some time in your day to appreciate the ascetics of life and find a little bit of happiness while you're at it. Gambatte!