ofcoz適用la!! u have to think, if no 老人家 how come will have u ar!(i mean is your family like G ma or G fa,even your mum and dad)and they older then u know things more then u know la,so 家有一老 really 如有一寶,if you think 家有一老,如有一寶」,
在現今的社會上是not適用,maybe some day,when u get older,your kids will think the same way lo