Nowadays many old people have to bear miserable loneliness after their sons or daughters leave home for work.
The old people were lonely in their house, because their children were working or studying, have no time to look after their parents. Although, their children could bring some presents from distance to them, but the lonely was not reduced.
When they birthday, only the old people take the birthday cake, their children only give the sincerely and presents, the old people would miss their children, but they have no choice to ask them back home.
More and more adolescents, don't crazy about theirs' work, take time to look after your parents. It's very easy to do it for you, but it is important for the old people.
Please don't refuse, because your father and mother, have no more time to be looked after. Give some time for your father and mother, don't make them alone.