my 99 is also 當D孫係佢自己生.. and 當D孫's mommies are maid gum~ she told our maids to call her 99 ar~~~ I didn't realised at first....but eventually really feel uncomfortable lor!
everytime my son (since 1.5 years old till now) call "媽媽".. she will response lor~ so, I trying to change my son to call my Mommy!!