How to make the old man happy?

First you have to understand the mentality of the elderly, the elderly have a certain understanding, in order to treat the symptoms, in fact, the mentality of the elderly are quite like a small child, do not put the money to set your concern for a person, they may not need money, the simplest way is to rely on your mouth to make the old man happy, the money is the second most important. A joke? An unexpected surprise? Lots of things, .... Say something happy to the old man,

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