You walk into a restaurant and feel dizzy and like you might faint. You see a man with a particular body-type and your heart starts racing and you're sweating. You feel overwhelmed by housework and find that you've been sitting, paralysed in a chair for half an hour. You don't want to react in these ways, it ruins everything, but it seems impossible not to. Don't despair; you are not hopeless or broken. You have adapted in exactly the way evolution intended. Evolution isn't r