Lovely life drawings! Studies are always good and I've heard life drawings from models are just invaluable. So keep doing them for sure.
I think a thing to do with those would be to change the focus every session. For a couple of sessions focus only on life and getting good line drawn figures. Then move onto form, get form down with nice lines. Then add some rendering, so now you have line --> form --> light(rendering) and it's all building up. Other times only focus on the arm/leg/head etc and other times do gesture.
Just focus and get the most out of it then apply it in imagination.
You're doing great though. Very hard working and you're signature is true! Winners make it happen, losers make it happen. Just chose to be a winner! GO!