I know it's hard for Cain... But Sunbae was more hurt than Cain... Cain has full family while Sunbae lost his parents.... Sunbae do anything just to take back jooin... I mean jooin is hurting them both..., it's not fair for Sunbae actually... All Sunbae what was not to lose jooin again... He doesn't want to lost his beloved jooin even Cain do...