. "coming from residency training, where the hierarchy demands a form of address to denote respect, ???ma???am??? or ???sir??? is something that has become second nature to me by necessity. i carry it with me now wherever i go. ???po??? and ???opo??? is also something i learned late ??? again, only during residency. that being said, as a resident, we do a lot of teaching to the medical students, and" . . .