PTSD affects approximately 3.5% of U.S. adults every year. And it’s really challenging for people who struggle through it. But there are some people who just use these psychological terms without even knowing the meaning and reducing the gravity of the actual disorder.
Just like the original poster’s (OP) friend who claimed she was traumatized when her friends forgot about her and developed PTSD. However, the poster had actually struggled through it and snapped at the friend for using it so casually and called her ‘dramatic’, well, things just escalated after that.