Hi,
Great story! You are a wonderful writer, that homeless man was mentally ill I guarantee it. The chances of that happening again to you are none. You must be really sensitive, I know I am. Once something traumatic happens to you, it always in the back of your mind no matter what,where you are or what your doing. Its part of how your brain deals. I'm scared to death to be away from home during bad weather because when I was in elementary school, a tornado had come. I felt trapped, I couldn't get out of the school and run home that was down the street and be with my mom if I was going to die. Nowadays when bad weather happens, I have help. But it has always stayed with me til this day.