Trigger: Packing for a week in Jersey with the in-laws. Trying on funeral-appropriate dress clothes in case of grandparent departure. Finding a skirt which didn't fit in the autumn now fits. (The skirt was too small around the waist before).
Belief: "Well, shit. I must have really gotten chubby. Chubster. Chubby chubster fatty."
Action: Stare in mirror and wonder, "How fat am I still? I'm probably still chubby and just can't see it. Hunh. That... sucks."
Departure from reality: Achieved.