When we eat a greater variety of flavors, we remain hungrier longer. That's the argument of David Katz's "Flavor
Point Diet," which suggests sticking to a only a few flavors per day. Jumping from one flavor to the next
re-stimulates the brain, says Katz in a Yale Daily News
article. Supposedly, by distributing flavors and creating themed meal days, dieters can help stem their hunger. This makes sense to me, in some ways. A varied meal is obviously exciting and anticipation of the next course can generally propel a person through a meal long after they're full. Similarly, once you're bored from eating the same foods or flavors, you'll probably stop eating.
Of course, there's much more to it than that. Katz discusses his diet in a Prevention.com article here.
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