Plan: Eat the sun for maximum energy

And after we die, worms eat us.

Okay but I have heard of a " diet " where you just drink water and breath air like a plant

I don't think it's 90%, as third trophic level consumers we only get about 0.1% so it's more like 99% is lost. Hence why we have to eat so much nutrients to get the longterm energy we need.

Vegans around the world hate him

If only we could photosynthesis