Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: Okay, just yesterday I went to the store to buy some snacks to eat for the night.  I went to the self checkout area and started scanning my items as usual.  After this I tried using my card but it was constantly being denied.  I screwed with it for a while before calling an employee over to help with it.  Meanwhile a mom with her kids is standing off to the side giving me an angry look, when I look back she says something along the lines of, "What are you doing, there are people waiting, do you not know how to operate the machine?"  It wasn't necessarily the words that set me off, but more so her tone of voice, which to me felt unnecessarily hostile and confrontational.  After that I promptly told her to fuck off before leaving with my stuff.  I don't know if I should have been as angry with her as I was, I kind of feel guilty that I approached the situation in that way, especially in front of her kids.

getting pissed at someone whilst checking out at the store