IMHO, you should do what you normally would do. If it is traditional that you would go along, then go along. Detaching isn't about being rude, angry or mean.
Frank_D put it well when he described the interactions tone as "what would Jesus do?" You are controlling your emotions and controlling the interactions.
Me: 44 S: 17 and 7 Final-6-13-08 I once went to a psychic who told me I would soon feel cheated......
