It is wrong to be unfaithful
Glenn is away from his wife on a business trip in another city, and he runs into his ex-girlfriend Cindy, who gives him her number.
Glenn wants to decide what to do this evening.
Glenn goes back to his hotel room and calls his wife to chat all evening.
Glenn calls Cindy up to meet for drinks, and he ends up spending the night with her.
His wife enjoys talking with Glenn while he is away, and their marriage grows stronger.
His wife finds out about this later, and she files for divorce.