Working in a restaurant isn’t easy. Apart from working long hours, you need to get along with the people you work with. You also have to show your best to your customers every single day.

Unfortunately, those things are easier said than done. Co-workers tend to be grumpy and annoying while customers tend to be rude. These are just some of the problems you have to face once you decide to work in this industry.

If you want to get a good idea of what it’s like to work in a restaurant, here are 45 Tweets only people in this industry can understand.