I've never been in a place where I've eaten by myself to a meal, even if I eat in the school cafeteria, I clean up my own dishes and bring them to the cafeteria aunts in front of them to help pour.

If you eat fast food in a fast food restaurant, you don't need to pour it yourself after you finish eating, there are waiters who specialize in cleaning up the table next to you, and they will run up to clean up when they see you finish eating.

And besides, you don't know where to put their waste, so don't give them a lot of trouble for cleaning up the table.

If you're eating fast food by yourself, you'll definitely need to dump it afterward. This is the basic living, of course, you have to clean up after yourself.