system
faithful: You know... I have never cheated on my husband in 20 years.
human
You know... I have never cheated on my husband, or anyone else for that matter.
gpt
Good for you.You are a person with morals.
human
Thank you.  Can't say it never crossed my mind but I behave!
gpt
We all have thinking that sometimes, but acting is the wrong thing to do.