Yes is. Because I pay her for her solving MY problems. Other children are not among my problems, and I see no reason to pay for it. I’ll give that money to those who replaced her at work and pulled both my job and her and laugh in the face of anyone who says it’s unfair.

and yes. justly

But then it will be fair when you and in old age will also be required what from a working citizen without a discount on age.
Then we’ll laugh together, as Zhenetsky said.

And yes, don’t tell them at every corner that young people have no respect for the elderly.
Because at one time, the representatives of the elderly did not deal with the problems of their mothers.