When you argue and win, your brain floods with different hormones: adrenaline and dopamine, which makes you feel good, dominant, even invincible. It's a the feeling any of us would want to replicate. So the next time we're in a tense situation, we fight again.
What does arguing do to your body?
A bad argument can bring on stress, which is bad for your short-term memory. Stress increases cortisol, a steroid hormone that helps your body stay alert in a bad situation.
Is arguing bad for mental health?
It seems that if you are already emotionally vulnerable or have low self-esteem, arguing can have a very detrimental effect on your mental health. Most people, however, seem to feel a short negative emotional reaction with no long term repercussions.