Reason number two . Oh and just to top it off she got hit in the head by the letter from Hogwarts , it seems that not noticing an owl in your living room could be bad for your health . Of course when she opened the letter there was some good news , her O.W.L results !

Question: Why was the girl 's head seeming to hurt ?
Answer: She got plunked in the head .She had a concussion .An owl flew into it .She had a head ache .