Do you have a guilty conscience?

Well, he wasn't bad-looking, he had a kind of unblinking concentration that amused her, and he was in a different class from those flannelled undergraduates, all books and bats and bicycles, who jostled for her attention: at least Hector Ramsay did something; sometimes she could even smell the engine-oil on him when he came straight from flying.

Coordinate term: deverbal

In essence, we evolved defenses that rendered us nearly invincible and allowed us to become obligatorily social.