4:21 PM, Saturday December 19th 2020
Sometimes I can't communicate with the right tone, I didn't mean to be rude or harsh by any means, therefore I apologize.
Now back to the topic. You can watch ShyllaStew videos, she went through Lesson 1, 2 and the 250 Box Challenge so far. It's a great way to check the practice live.
It's okay if your lines overshoot the end point at this stage, as long as those are confident smooth lines. You can try picking up the pen as it reaches the end point. A TA gave me the same advice because I was leaving a little tail in my ellipses and it worked after some practice.
Try to move your arm over the desk, blocking the wrist and the elbow. Can you find an angle that feels more natural than the others? That should be the most comfortable position for your shoulder.