@RoboMochi
"Fight or flight" has been debunked as the range of human response to threats; "friend," or "freeze" are others that are just as common.
"Friend" is attempting to appease the aggressor and minimize or evade harm by following along with the aggressor's suggestions.
"Freeze" is...
"So that's how it is" is an excellently localized line that really drives home the power of Oda-sensei's writing.
Well done, Oda-sensei. Well done, translators.