What could be improved?

[turbid sorrel]

Hi I am looking for constructive criticism so that I can improve my skills. So in general anything that could be improved.

[earnest hill]

I think the shadows on the skin could be darker, it’s always good to check your values when your are done to make sure there’s a good balance of light and dark

Also is this person sitting? It’s hard to tell what pose they are in

[turbid sorrel]

Sitting

And yeah the values should be darker. It just feels a bit like the colors are flat. 🤔

[turbid sorrel]

Changed some things: