Thoughts on Derpy's Cutie Mark

So after listening to this song, I started wondering if it was possible that Derpy's bubbles could symbolizing lifting others spirits, or self-confidence. Because she is so different, in looks especially (though that is endearing), she is often teased or dismissed by the other ponies, so who is she supposed to lift the self-confidence of? Perhaps the viewer? Even if it is not canon, Derpy has taken on a fandom persona of a sweet and sensitive pony who is happy despite the teasing and possible handicap. So she has inspired many who are different to feel accepted and loved, or at least accept themselves. In such stark contrast to the harsh words of bullies, our self-esteems can seem as fragile as bubbles. But they float and reflect the rainbow, what is said to be a unique and special thing in MLP so, it could symbolize what makes you special and different. You have to let your self-esteem rise by loving yourself, differences and all.