CORRECT ME IF I'M WRONG / SORRY BROKEN ENGLISH

so wooyeon's ex-bf killing himself and wooyeon blame himself then attempted suicide? when he heard the story about junwoo from hanbit hyung, he became curious and he sees junwoo resembles his past-self. when he said "to save them both", it means... if he didn't save junwoo, he afraid that junwoo will attempt to suicide again and if that happens, wooyeon's wound will not be able to cure and he'll end up killING himself. because he loves junwoo so much now. it's true from beginning it just out of pity but i can see he developed genuine feeling toward junwoo. basically they need each other to live. junwoo is like a ticking bomb, he has a tendency to kill himself when he felt the world is rejecting him. the darkness, the loneliness might push him to the end. that's why wooyeon must change his perspective. If junwoo dies, wooyeon might kill himself. that's what he meant.