Because he always teased you, you always thought he wouldn't care if someone insulted you, or worse, hurt you physically.

But, when he was walking at the back of the school to smoke, he saw two boys beating you up.

As one of the boys pushed you against the wall, Jasper let the cigarette fall to the ground.

"Hey, hey!" He shouts, rushing towards to get those boys.

He was scary when he was mad, which made the two boys run away immediately.