it is our duty to help our parents when they need us because they are not young enough to handle things on their own like before. We can understand from this paragraph that ...
1 )
Our parents are old enough to handle things on their own
2 )
Our parents never need us for help
As our parents get older, they need more help from us to do their everyday activities
4 )
It's our duty ro help our young parents before they become old