at the risk of defending him. its an asian thing i do it and i spent less time in asia than he did. it amuses older asian folk cause i do it automatically and they aren't used to seeing, what is to them is a redneck roundeye practicing obeisance. the fact that my dad went native and i was raised with both parents setting that example really ingrained it in me . its as deeply ingrained as a regional accent. perhaps moreso since failure as a child resulted in a lightening strike