Don't you wish you could turn back time? You have to go with you gut instinct, but don't envy you, messenger always ends up in the fall out. & there is never a good way to break someone that type of news, just make sure you got your facts right, as sometimes what seems clear cut isn't
yeah, because otherwise, it will just continue on, and the spouse's need to face reality there is problems, they can either work on their marriage, or separate, but the options should be there, honesty and truth should always happen. May hurt, but if they are cheating they're not being honest with themselves or each other.