Once upon a time... the organs of the body like eyes, ears, limbs became jealous of the tongue, saying that they make all efforts for securing food, but the tongue enjoys this. They stopped working and never sent any food. Tongue is the one that tastes the food and passes only palatable items of food inside, which is converted by the internal organs into energy giving blood. The tongue does not retain it. But for this vital part played by the tongue, the other organs would not be able to function at all. When the other organs became jealous of the tongue and stopped sending food with a view to harm it, they spelt their own ruin by such action, as they could not function when there was no food and consequently no supply of energy for these organs to function. Similarly, jealousy on the part of a person ultimately results in his own ruin.