The face looks so good!!!!
Don't be so hard on yourself. Hands are really tough. When I took figure drawing my teacher had us keep a sketchbook and we had to draw hands, feet, eyes, ears, noses and mouths every day. We also had to do master studies - copy drawings of masters (Da Vinci, Michelangelo, Rembrandt, ect.). It is really, really helpful. Also, once upon a time, I found a book at the library, in the art section that had photos of models (ie. nudes) in various poses and with close ups of each part (hands, feet, shoulders, etc.) It was great for doing studies of specific parts.
Hope this helps!