"What size were you when we came here? Twenty-four, twenty-six?"

Heather muttered something that might have been 'twenty-six'.

"Look at you now! You can't be more than size eighteen. In less than a week, Heather. You've gone down five dress sizes in less than a week. What do you think could have caused that? There is no sensible explanation for that amount of weight loss."

She stopped and stood in front of her friend, her arms crossed, her expression severe. ...