Your split complementary color scheme of purple and red is dynamic. Additionally, the dominant light source from the lamp on the ceiling creates a strong scene that gives a lot of weight to your animation. There's good variation in the lines, and the music also effectively communicates the narrative from scene to scene.
Your rendition of Tom is charming and brings a sense of optimism that is contagious. You have an amazing understanding of composition, as well as a strong grasp of color usage. Your control over the lines is very professional.