The worst advice I received was when my husband was still involved with the AP. I sought advice from someone who had been through betrayal by her husband and their marriage had survived. She told me to be "fun" and behave in a way that would convince him to choose me instead of the AP. I was so insulted, but knew my behavior wasn't the issue. Looking back, I'm proud of myself that I was that strong so early on. I know the infidelity wasn't about me.
The worst advice...