Shut down the peer pressure (I'm already tempted)
Ok. So when someone offers a beer, I can shut them down 99% of the time by saying, "No, thanks; I'm an alcoholic." People respect that and move on. But, when someone offers food, and I say, "No, thanks; <I'm dieting - I'm counting calories - I'm trying to quit being obese - etc.>", they rejoin with "It's OK, its only a…