"Where do you want to eat tonight?"
"Cool let's get chinese"
"Mmm nah I don't feel like Chinese"
"What about italian?"
"Mmm nah I'm not so sure about Italian tonight"
So on, and so on. But at all you can eat buffets, there's a wide selection of foods so everyone can get something they like and you don't have to spend hours debating on where to go.