Feelings that have been formed since early childhood are difficult to repel from a person. It's harder to separate two people who grew up like siblings. But what should Childe do if he fell in love with someone who had been on his side all his life? The one who stayed near, when he was branded a "psycho" from early grades until the very graduation. Even got to the same university as him. Answer: Childe is a coward. Therefore, he is not going to do anything to worsen his beloved friendship.