This scale doesn't really work globally. There are many poor people in Singapore who eat out three times a day, because there are subsidized hawker meals that

This scale doesn't really work globally. There are many poor people in Singapore who eat out three times a day, because there are subsidized hawker meals that cost less than cooking by yourself. Also, "could" is fuzzy: I could eat "ALL" meals if I wanted to, but I don't particularly want to.