If you had been dreaming of your husband cheating, it was likely triggered by stimuli that suggested he was unfaithful.
In this anecdote:
The female protagonist’s spouse was cheating with his female friend from his hometown. For five years. She discovered when she read her text message on his cell phone. His femme fatale said she had been with him for five years and her loyalty should not be dismissed lightly.
A recurring character's secret is they are cheating with a friend or sibling’s significant other.— Writing Prompt Bot (@bot_prompt) July 19, 2020