person A: I almost got in a fight in a drive-thru lineup.
person B: What happened? Did someone bump on your car?
person A: No_comma_ the person cut in front of some other people.  I confronted him about it and we got into a shouting match.
person B: Be carefull _comma_ you don't know the cray people that is out there.
person A: Yes_comma_ afterwards I regretted the confrontation.  I thought I could have easily been shot.