A hot room can turn a minor annoyance into a full-blown argument.That idea sounds dramatic, but many people have felt it. A long wait in traffic feels longer. Small mistakes seem harder to ignore. Patience runs thin. Heat does not change personality overnight, but it can push behavior in noticeable ways. It affects mood, attention, sleep, energy, and even the way people treat each other. Understanding that link helps explain everyday friction, from family tension at home to sharper tempers in cr...