person A: My husband has to travel a lot for work. It can be hard on a marriage_comma_ but after almost 23 years of marriage_comma_ I have faith he is loyal and faithful when he does.
person B: What does your husband do for work?
person A: He is an iron worker_comma_ so he has to go state to state at times to build very large buildings. 
person B: My uncle use to be an iron worker_comma_ so I know exactly what you are talking about.