10. The Kid Who Farts Uncontrollably

Kids are smelly enough as it is, so the trip can get brutal when you have a revolting youngster turning your minivan into a gas chamber. This kid’s packed lunch is full of hard-boiled eggs, processed deli meats, and Polly-O string cheese. The best way to curb this child’s rankness is to be proactive: My mom once complained about my friend’s gas to his parents, and they actually decided to cut dairy out his diet.