Common sense and simple etiquette dictate whether or not you're a good guest in someone's home. Presumably, you'd like the experience to be an enjoyable and mutually beneficial one that strengthens your relationship, ensuring that you'll be invited back. Rather than, you know, them feeling like you've taken advantage of their hospitality purely as a means of reducing your own expenses.

Vegans are fun to joke about, and all, after all, there's something about a group of people that takes themselves so seriously without an ounce of levity or ability to joke about the subject that lends that same group of people to be a prime target for humor. Heck, there's a reason why community discussions about vegans and jokes about vegans are everywhere on the internet. That being said, if you know that your friends have something that they're humorless about, it's hard to be surprised when…