Criticism need not apply

Okay i know i''m not the absolute best artist in the world, but who really can be. What makes someone the best?! I don't think there is a best or worst ANYTHING! It's how you perceive your art and yourself. I may be slightly different than most because I'm the opposite. i handle rejection pretty well, but the thing that bothers me more is criticism, i seem to take it personally and feel like they are saying what i drew is bad. Which actually isn't the case at all. The other day i was asked what the meaning was to one of my pictures or is it just for the sake of having shapes. Well here's the thing I LOVE SHAPES and most of my pictures have alot of them, but sometimes i just feel like drawing a bunch of shapes and making it very colorful. Not all of my art has a purpose, like to change someones view on something, it just makes me happy. That's one of the things i like about drawing if it makes you happy why not draw it.. I understand that people like the depth and meaning to it, but if it makes me happy as an artist, i don't really want someone telling me that it NEEDS a certain emotional side. In order to be able to explain my drawings though I've delved deeper into myself and my art to describe the connection between it and me.