My hands turned ice-cold. I froze and watched as she quickly slipped the bottle into her tiny purse and returned to the guests as if nothing had happened. She expected me to come back, pick up the glass, and drink. That everything would pass quietly and unnoticed.

But the moment she turned away, I quickly switched the glasses. Mine — with the suspicious residue at the bottom — I placed near her plate, and I took the perfectly clear one for myself.