Try going through a very rough sketch of where you want to go. The more lines the better, and make sure you use a light pencil stroke to be able to erase things
If you're not satisfied with the way that looks, just start certain parts over, the ones that look odd or bad. This first phase is exclusively to get the basic elements such as anatomy,, done the right way. Then, just progressively go to more detailed strokes
I don't know what your usual method is, but that's pretty much the best thing I can recommend you for now.
Don't hesitate as well to look for references, or drawings to inspire you, that always works wonders