Helping is free and useful: why just not do it?

As a person who deals with an anxiety disorder, panic attacks are something I experience daily, which I've learned to recognize easily over time. That I why I realized yesterday while taking the bus which I use to go home, that someone was near the verge of having a panic attack. The shortness of breath, tears and overall nervousness that emanated out of that person was clearly indicating that that person was having one. While at first, I didn't act, I decided to be courageous and go sit next to that person and ask her if she was okay. While she was incapable of speaking, she simply nodded…