You obviously can't read between the lines. Or perhaps you can't read at all. That would make more sense, considering your ineptitude in, well, anything involving intelligence, Lol.
You said Itachi retreated because he used this much Amaterasu, and he was tired because of it [
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]. This is incorrect, seeing as how Itachi was able to produce even more of an amount of that Amaterasu [
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] without trouble. It's effect on his body was so insignificant that he used even more right after it [
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]. You saying that he left because of using that Amaterasu amount is disproven. The only thing you did with that scan is further facilitate my reasoning that Itachi was using an excuse to leave.