Thats pretty much how it happens in the film too.

Because the restaurant pizza in Norway costs like 30 usd.

The average American only eats 16g of fibre per day. 3 cups of coffee would be about 1/3 of that.

Quite a bit of fibre, polyphenols (antioxidants), almost zero calories.

Coffee tastes worse with sugar, black is better.

If you’re only interested in the energy/wakefulness then you’re better off quitting caffeine altogether. The energy a regular user gets from caffeine is just the alleviation of withdrawal symptoms.