Be Nice to People
You do have a right to make legitimate complaints about service or food. But I caution you not be mean, personal, offensive or aggresive to people who serve and cook food you are going to eat. I know a flight attendant who was really taking excessive s*** from a bitchy woman passenger. The bun with her meal was used to wipe off the toilet seat before just before she ate it. Not saying it was justified, but it happens. It does not really pay to treat other people like crap.