Is it normal that I masturbate to my Spanish teacher?

Every single day since the first day of school in September, I have masturbated to my spanish teacher. I have a fantasy of her dancing completely naked while singing "Hero" by Enrique Iglesias in Spanish. Also, I have dreams, like the other night I had a dream where I asked if i could go sharpen my wood (pencil), and she says "I can lick your wood if you want me to". Also, I masturbate to the thought of her licking poop out of my ...i dont know why i think im crazy but i do it every single day 2-3 times a day. plus im really shy like in cl i never say anything, but whenever she is bent down i try to look down her shirt as far as possible...but i am not sure if that is normal AHHH help me am i crazy?