

Sure, let’s just gloss over the cost of heating - which relies heavily on fossil fuels or smog-producing fuels, or both.
Datacentre thermal management (especially for AI)isn’t even in the same ballpark as cooling for homes. One produces pretty charts for management, the other keeps people alive.
Don’t leave famous anti-onanist Kellog out. He promoted the idea of high carb breakfasts to dull the sexual appetite. Contrast to the filthy-minded English, eating titillating substances like sausages and eggs.
Anyhow, there’s “dessert for breakfast” foods and there’s “breakfast” foods and it sounds like your girlfriend is a bit more towards the dessert side of the spectrum. Nothing wrong with a fry-up. I used to be a big dessert for breakfast guy but I realized that it sent me into a sugar rush/crash and was very bad for my mood and productivity.
Personally, I just don’t bother with it. Started off as intermittent fasting but now that I’ve seen there’s not a ton of evidence to support the theory, I just don’t because convenience.