When the whole world abandons you, who can you choose to rely on?
Naruto fanfic, Samu Itachi, modern overhead background
This is an irrelevant thought: the unscrupulous author, based on the principle of respecting the original work, arranged a bitter life experience and encounters for the two brothers, so it may be a bit cruel (If Itachi Zuo is not cruel, is Itachi Zuo still?), Or it may be a bit outrageous (full of dog blood is my love)