So Saki was a boy with sheep skin (innocent looking outside) because he befriend with Yoshi but on the other hand wanted too see yoshi's (other headcanon would have been tang shen's) destroyal (humanity, economical- money, sucsess etc) so when he's done his bad work (killing, burning the house), he's dragging Tang Shen in there, in his story, and making up the existence of his love gh#%^##&f for someone and some other unnessesary things
. If he valued his friend/brother he would let him be happy on his own, not obsessed (even if the love was true) with smth smth Tabg Swen.