In the original timeline, Shanks took Higuma's mistreatment calmly and with dignity, shaping Luffy's essential character for the rest of his life. In this timeline... "Huh!" said the kid. He tugged at his cheeks. "Guess I'm in the past, then!" His expression cleared, because apparently that made sense to him, and he grinned. "Shanks! Hey, Shanks, you never told me how cool you are!"