It means that in front of delicious food,
Everything is empty.
Everything is floating like a cloud, which proves that food is the most important thing in front of food, which shows that you are an out-and-out foodie and you especially like food. As long as you can eat food, all this is not important, and all this is not taken seriously.
Everything in front of food is a cloud, which shows that this person likes eating all kinds of food very much. Nothing makes him feel happier and happier than eating food, so he can give up other things in order to enjoy this happiness. This is a choice, a choice to make yourself happier. If you think eating well is the most important thing, then you can put everything else down.