You are missing my point. My problem with this approach is that he thinks that food is only for "staying alive". Like many others here, even I love my work and

You are missing my point. My problem with this approach is that he thinks that food is only for "staying alive". Like many others here, even I love my work and I too constantly figure out ways to make myself lot more productive. But giving up a regular meal for a formula sounds like over optimization for me.