It's kinda sas that Ian will get older and Lou will be left behind after Ian died because ...

Sad**

But Lou promised that he will die along with Ian...

Thts why i dropped this cuz i couldnt bear yaoi mangas that does one partner died from old age yet the other one is immortal or long aged one. It makes me hella sad so i dont evenwanna imagine the uke dies yet the dragon boy being lonely young forerever thinking of him