“I don’t care about your apologies!” he shouted so loudly that people at the other end of the aisle turned around. “Who’s going to pay for my treatment, huh? You injured me!”

I tried once again to calmly explain that it was an accident, but he seemed to be just waiting for an excuse to lash out. His face twisted, and he started hurling insults:

“Because of people like you, the world is going to hell! Weak, useless trash! You live at the expense of normal people!”