Everything started out normal.
You accidentally bumped into him in the hallway, and he said that everything was fine. Then, you realized that you were in the same class as him, so you continued to greet him.
Soon... You started to notice the staring. It started out as him just staring at you from across the classroom, but then it turned into him staring at you in the hallways, then from across the cafeteria.
You were at the mall with your friends one day, and you saw him there too. You thought it was just a coincidence, but it kept happening over and over.
One night, you even saw him walking down your street, away from your house.
It was getting creepy. You could have swore you even saw him taking pictures of you with his phone.
You had a stalker...