Experts warn heat waves can fuel arguments between couples

Therapists and neuroscientists are drawing attention to how high temperatures affect mood, cognition and relationships, advising couples to cool down before escalating small irritations into larger fights. When body temperature rises, the brain works harder to regulate sweating and blood flow, leaving fewer resources for emotional control and increasing tension, the experts said. A study cited by researchers found that students sitting in warmer rooms rated couples in video clips as more hostile than students in cooler rooms, supporting the view that heat raises perceived conflict. Relationship specialists recommend that partners recognize the effect of heat early and take breaks to cool down, drink water and calm themselves before attempting to resolve disagreements. They also suggest discussing sleep patterns during the day, maintaining closeness through shared time even when physical contact decreases in hot weather, and choosing low-effort joint activities. Therapists added that remembering a partner's positive traits and accepting that neither person is perfect helps preserve the relationship, rather than fixating on irritating habits. They stressed that such steps are particularly relevant during heat waves, when ordinary discomfort can quickly intensify into conflict.