As Jiho said, everyone he ever loved had either left him behind or died. Being with Yoojoon made him uneasy that Yoojoon would eventually do it too, leading Jiho to leave him first, under the (false) pretense that doing so is "protecting" himself, basically self fulfilling prophecy.
As Jiho said, everyone he ever loved had either left him behind or died. Being with Yoojoon made him uneasy that Yoojoon would eventually do it too, leading Jiho to leave him first, under the (false) pretense that doing so is "protecting" himself, basically self fulfilling prophecy.