It turned out to be a young couple arguing because they ordered the wrong coffee flavor.
The girl, clutching her coffee, said in a wronged tone, "I told you, I wanted one-third sugar, but you ordered full sugar, how am I supposed to drink this?"
The boy thought it was no big deal and snapped at the girl, "When I first met you, didn't you also drink full sugar? Why can't you now? It's just a little sweeter, what's there to fuss over?"
The girl's face grew redder and finally, unable to bear it any longer, she put down her coffee, left the words "let's break up" behind, and turned to run out of Starbucks.
The boy was stunned for a moment, then with a wave of his hand, he angrily threw his own coffee into the nearby trash can and left Starbucks, turning and walking in the opposite direction of the girl.
