dad: your grandpa is like 90 now
me: year 8..that makes him 89 only
dad: In taiwan age, we dont count 9s..so he is 90
me: then how old am i (i am 29)
dad: (hesitantly....) twenty........eight
Usually, chinese count the year including the year in the belly.
Chipa214 next time when your dad reaches 9 don't ask and just plus 1.