When I'm not painting, figuring out color and it's use, I enjoy the simplicity of drawing.
Drawing doesn't require so much preparation and space. I like to work large when I paint so drawing affords me the ability to work at my desk in my home rather then out in my studio.
I always have pencils available...different softness and hardness...to create the darks and the lights...the movement and the shapes. The values....there is alot of value and values in drawings.
So here's a bear portrait :