“I always knew about Hermione and Ron. Always… I think they are yin and yang. They are the true meaning of two hearts that make a whole, and they balance each other. They’re so wrong for each other, but so right.” - Emma Watson.
On the night Lord Voldemort went to Godric’s Hollow to kill Harry, and Lily Potter cast herself between them, the curse rebounded. When that happened, a part of Voldemort’s soul lached itself onto the only living thing it could find. Harry himself. There’s a reason Harry can speak with snakes. There’s a reason he can look into Lord Voldemort’s mind. A part of Voldemort lives inside him.
“The name ‘Sirius Black’ is a pun on his Animagus form of a black dog since the star Sirius is known as the Dog Star and is the brightest star in Canis Major, the Great Dog constellation.”
You see, we have not been able to keep a Defense Against the Dark Arts professor for more than a year since I refused the post to Lord Voldemort.