Parents.

– Mom, Dad, are you always at home? Go somewhere to have a rest or to a sanatorium. I will buy you a voucher.

– Thank you, son. We are at home well. Do not worry about us.

…

– Mom, well, you are on the train again. Let me buy you a plane ticket.

– What for? I get used to the train and it is funnier on it. Moreover, the ticket is cheaper. What money to waste in vain?

…

– Dad, why did not you call that you are coming? I would meet you from the train.

– Am I so old and helpless? I can not get off the train and get on the bus, right? I have little things, so do not worry, do your own business.

…

– Mom, you probably have run out of money. I will send more today.

– Do not, do not, son! We have money. We do not need much. You would better send a daughter-student because it is difficult for her to be afar.