If you need a certain vitality you can only supply it yourself, or there comes a point, anyway, when no one's actions but your own seem dramatically convincing and justifiable in the plot that the number of your days concocts.
It was so hot today I saw a robin dipping his worm in Nestea. It was so hot today I saw a pigeon walking in the shadow of Orson Welles. It was so hot today that Burger King was singing, "if you want it your way, cook it yourself.