I work food service, when I'm training people I really try to nail it home when I'm teaching sanitation. I always tell them "Just remember, the person eating this food could have a compromised immune system, like a small child or an elderly person. It could be someone on chemotherapy, you just don't know. You are taking their health in your hands, NEVER sell something if there is any doubt in your mind that it is still good or if it was handled properly" It's like a light bulb coming on for them. They may think that their habits are OK, but when they see the extent that we go to to keep food safe, they are quite surprised.