Emotions which change in the blink of an eye, fast as a heartbeat.
Obviously it's been percolating, that is, processing unconsciously or semi-consciously, so that when the right trigger appears it's like a finger and a light switch. Click! Different world.
Of all the feelings in creation these could never have been predicted. That you'd feel cold, of all things, of all people, at all moments in your rudderless, chartless little life.
Mary, Mother of Compassion, guide me to my heart.