The human brain uses about 25% of all our glucose (our fuel). I'd imagine the only viable explanation might be that they don't use their brains which might explain the hyperthrophy under low low calorie intake and why they ended up where they are.
When a woman says it, guys hear a confession. A heads-up. A scheduling conflict.
Here's the translation: I don't feel anything. Right now. With you.
Watch what happens when a man triggers actual attraction. The busy career, the recent breakup, the "not in a place to date" — all of it evaporates instantly. The same woman who was guarding her freedom is suddenly free every night.
The "22 Rules" explain why. When the right switches flip, her timeline rearranges itself around you.