Your relationship with Chanyeol was always strange. He was always wanting to play pranks on you, to get your attention. And you'd grin and get annoyed in return. And when you got a boyfriend, it got even worse. Chanyeol's jokes became more frequent and his jokes became more hurtful. He got angry a lot. But he was angry at himself. Chanyeol seems to have feelings for you that he's trying to accept.