you gotta stop beating yourself up dude, this is a helluva lot better than what a lot of other people can do. Maybe start doing subdiv modeling. A lot of these dynamesh models can be taken to the next level if you had the fine-tuned control that subdiv gives.
i think this is appropriate for the next iteration, i just can't seem to get the right arm to stop wobbling so much, the keys need easing or smoothing i'm not really sure https://twitter.com/i/status/1695059165377392911