You were biologically predisposed to associate taste and nausea.
You eat a new food and that night become ill with nausea and vomiting. Later, you experience nausea whenever you taste or smell the new food. Why did you not associate your nausea with the cues of the room, the people present, the bathroom, and so on?

The reason why the nausea is not associated with the cues of the room and so on is because of biological preparedness.

Explanation: People are naturally predisposed to form associations between tastes and illness (taste aversions) due to the evolution of survival mechanisms. This ensures their chances for survival and the likelihood that they will reproduce.

in about winter like late november to january

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )