If your RV is breaking dishes, there are a few things you can do to try and prevent it. First, make sure that your dishes are properly secured in the cabinets or shelves. You may need to use straps or bungee cords to keep them from moving around too much. Secondly, invest in some good quality dishware that is designed for travel and rough conditions. Finally, be careful when driving and avoid bumps and potholes as much as possible. By following these tips, you should be able to reduce the chance of your RV breaking dishes.