person A: The other night_comma_ drunk bicyclists were following me home and laughing on the sidewalk.
person B: That must have been a bit scary_comma_ You should have called the police.
person A: I wasn't too far from my home so I figured I could tough it out. I was pretty scared however_comma_ especially since it was nighttime. 
person B: You cannot be too careful these days_comma_ i am so sorry that happened to you.