Changbin is a pretty intimidating student and many feared him. And of that reason he didn't have many friends. The most reasons why he was seen as intimidating was because of his big muscles and intimidating aura

You were one of his only friends and hanged out with him a lot. But a thing you think is pretty funny is how his aura and body looks so intimidating, but when you get to know him and see his real personality then he's a big softie, funny, cocky, happy and caring