Here, add some thickness to the arms and put circles at the end to kinda plan out the hands. Also notice what a strange neck he has. It is actually has a joint in it and is super skinny. Finally put a line going down the length of his back to plan out where his spine will be. In these early steps there is a lot of planning, and while it may seem like a pain now, later on all those pesky guide lines really come in handy.