*My character's faces were too cartoony/generic and suggested I use more photographic reference.
*The backgrounds were not receding enough and in turn my characters were not as sharp as they should be.
*I should work on using more negative space in my compositions
*My skin tones were too muddy looking
*Try playing around with different mediums
*She thought that I haven't found my style yet (I'm not sure if I agree with this one)
*Don't paint what you think people want to see, paint what makes you happy and excited
So I am going to take her advice and play around and do some experimenting. Today I played with combining gouache, concentrated watercolor and colored pencil. I like the results and I'm going to keep on keepin' on.