Food safety is a must if you want to host dinner parties for your loved ones—it’s easy to think you’ve got the whole hosting thing figured out, but your guests shouldn’t catch you cutting up bread with the same, unwashed knife that you used to dice some chicken thighs. When you decide to host folks for dinner, you’re signing a moral contract to ensure their safety when it comes to the food you’re serving them. Do they pass out at the slightest hint of peanuts? Is your aunt’s new boyfriend a vegetarian like the last three were? These are the questions you should be asking—someone might get sick if you end up preparing something poorly or just plain wrong.

The woman who uploaded this next story explains that her sister has terrible «food hygiene.» This means that she purposely refuses to partake in the proper preparation of foods; washing hands, switching knives, and the like. The woman ends up leaving her sister’s dinner party because she used a raw chicken knife on some bread, which, if you didn’t know, is a big food no-no. Scroll below to see how her family reacts.