Longbow, your form looks great.
One thing to note is that you're burning up a ton of energy trying to get that bow back with a real slow controlled draw cycle. This can help if you're triggering your shot quickly after approaching anchor, but you seem very controlled at anchor.
Try picking up the pace of your draw cycle a little bit. This will help you engage your larger muscles easier. You're having to engage your smaller muscle groups through your draw cycle to keep it so controlled and steady.
You don't have to aim and control to the degree you are until you're settled into anchor / start expanding / commit to shooting the shot.
Get the bow back, engage your back muscles , expand and aim at the same time, and let the shot go off.