A teacher shows three toys to a student and asks the student to find out the differences. All the three toys are seemed to be identical in their shape, size, and material. After keen observation, the student observes holes in the toys. 1st toy it has holes in the ears. The 2nd toy has holes in ear and mouth. The 3rd toy has only one hole in one ear.
Then with the help of the needle, the student puts the needle in the ear hole of the 1st toy. The needle comes out from the other ear. In the 2nd toy, when the needle was put in the ear the needle came out of a mouth. And in the 3rd toy, when the needle was put in, the needle did not come out.
The First toy represents those people around you who gives an impression that they are listening to you, all your things and care for you. But they just pretend to do so. After listening, as the needle comes out from the next ear, the things you said to them by counting on them are gone. So be careful while you are speaking with this type of people around you, who does not care for you.
The Second toy represents those people who listen to you all your things and gives an impression that they care for you. But as in the toy, the needle comes out from a mouth. These people will use your things and the words you tell them against you by telling it to others and bringing out the confidential issues for their own purpose.
The Third toy, the needle does not come out from it. These kinds of people will keep the trust you have in them. They are the ones who you can count on.