Whats happening to me?

So I'm obsessed with dogs I sometimes see in Ultra-Violet Light I'm hairy I love to sleep outside I don't like cleaning up my room and I just feel like I'm diffrent like I don't belong in this world I sometimes understand what my dog says I'm mayan and aztec but idk much about my culture I'm just confused on what I am oh and I'm 12 and I'm afarid to turn 13 cuz I feel something VERY BIG will change my life I just want to know why I'm acting like this what's wrong with me?