I don't get why they have such an issue with this. If an adult orders a child's meal, it's not like they're going to get an adult portion. It's still going to be a smaller portion, KWIM? DH is super picky and most likely will be ordering child's menu items on our trip. Luckily we have 2 children so we can "pretend" it's for them and just say that we're going to share what we order so there's no issue.