Everyone knows that Xiao Yuan likes A Ran, but A Ran himself doesn't know. Everyone knew that Aran joined the army for Xiao Yuan, only Xiao Yuan didn't know. Perhaps the best destination is for your soul bones to stay at the border. Maybe I can come back alive and see you get married.
Aran has loved Xiaoyuan all his life, but maybe Xiaoyuan will never know about it.
A Ran, it seems, has spent his whole life loving Xiao Yuan.
Purpose: I love you and love my country, but you can't have both.