Stress releases hormone cortisol which in turn reduces pain threshold levels, less stress from rudeness received and given can only be a good thing, in my humble opinion. We experience rudeness and incivility all the time. From simple insults and offhand remarks to purposely excluding others from groups, these behaviors are largely tolerated in our daily lives and in the workplace. The question is, what effect do these behaviors have on us? It’s pretty clear that high-intensity negative behaviors like abuse, aggression and violence are harmful. But what’s the harm in just being rude and uncivil?

Source: You Should Really Be Nicer To Your Colleagues – Rude Behavior Is Contagious