His flinch reaction to the Bhoys' 3-0 win over Rangers to go top, how Celtic have had to be "almost perfect" after dropping three of their first six games, how the "generational" rivalry in Glasgow is on a different plane to anything we've seen in Australia, why he was unflustered by the disrespect for his record and methods, how sharing the deep understanding of football in Australia is a big part of his mission as a manager, why the time for "learning" is over for the national team and qualifying for the Qatar World Cup has to be the minimum, and more.