I did ask. She said my anatomy isn't good, my lineart isn't good, my backgrounds aren't good, and the lighting isn't right. So basically, everything is wrong in my pictures.
Here is a picture by her.
http://www.sroekaki.net/oekaki/pictures/1308.png
The back right leg? That is bad anatomy. It's too far forward. Her lines are sketchier than mine. I mean, she is an excellent artist, but she isn't perfect like how she talks. I don't think she is being fair. She is like 13 years old? She is trying to show authority. I get a "I'm better than you" complex from her. I don't like people like that, whether she is better or not.