TMI boob question/picture

So, I wasn't quite sure where else to post this. I'm 20 and very insecure about my chest. They won't round out and I'm not quite sure why. The areola is puffy and not the way that it should be. I was wondering if you ladies know if I'm maybe stuck in one of the stages of development or ? 

 
My boyfriend says they're fine and he loves them. Which is great but I wish I could go bra-less like other girls. I don't want them bigger. Just wish they were rounder or more "full grown", I guess? 
 

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