India, May 25 -- In every household, workplace, and social gathering, there are two types of people: thermometers and thermostats. Thermometers react to the room's temperature. If the mood is tense, they get nervous. If everyone is excited, they get hyped. If someone's in a bad mood, they absorb that energy like a sponge and sulk, too.

Thermostats, on the other hand, dictate the climate. They walk into a room and, without a word, set the emotional temperature. And everyone, consciously or not, adjusts accordingly. And nobody-nobody-does this better than moms. Moms don't just gauge the temperature. Oh no. They set it. If mom is cheerful, the whole house is cheerful. If mom is irritated, everyone treads lightly. If mom is silent-oh, buddy,...