person A: My girlfriend said she was going to catch up with her ex boyfriend over coffee. I am sure that nothing shady will go on between them.
person B: Surely not_comma_ do you trust her. 
person A: At first I was scared_comma_ but she has done nothing to make me worry about her in the past. 
person B: Then I wouldn't be worried_comma_ you can't live your life that way. If someone wants to cheat_comma_ they will find a way. 