Hey just stopping by to ask:
Have you ever thought about sketching the lines in your pictures? When you sketch them out in short lines you have more control over the proportions and shapes you draw. Drawing an entire side of an arm for a beginner is fine (I still am one), but you might find that the lines are then shaky or wobbly. If you notice in the picture you drew called "Emma!" you can see that the fringe of the hair doesnt have the curves it should, small quick strokes can give you a bit more choice in how the hair turns out. Additionally the red ribbon (I assume) at the bottom is a little wobbly, for things like this you can still do long lines, just take breaks.
I linked an example to my YouTube so you can see what I mean: