So I think KIHOON is afraid that yeonwoo will protect him again and in their past, past ye...

So I think KIHOON is afraid that yeonwoo will protect him again and in their past, past yeonwoo actually said that as well and succeeded that's why we got a glimpse of a dead yeonwoo (?) and so that's why KIHOON doesn't want yeonwoo to protect him over and over again cause he doesn't want him to sacrifice himself again for him. It's my view help