I would probably make him look to the right before turning his head, slow down a bit in the down pose, so we can see his blink, and make his expression start to change before he stops but this last one is trick. I also recommend that you try to focus on the animation before drawing. I am not a pro, but I always see professionals, like Disney level, recommending brake things in to pieces; so, first I would move his head, like a simple ball-jumping exercise, and make his shoulder overlaping and tiltin to add contrast to the moviment. You can get an idea here of how i brake my process in animation A combo atack! A experimentaton I basicle used straigh ahead thoug In addition, you can find something useful here Pencil2D Drawing & Animation Learning Resource List