Dear Queenie,
Everyone in my family thinks my sister’s husband is just about perfect and I did too until I saw him in a restaurant with another woman and they were acting like they were more than just co-workers or casual friends.
I feel awful knowing what I saw, but I would feel worse if telling her would break up their marriage.
Queenie, should I tell my sister what I saw?—Ambivalent
Dear Ambivalent,
How would you feel if your positions were reversed? Would you want your sister to tell you what she saw? If you would, tell your sister (tactfully) what you saw. It might actually help to save their marriage.