Summary:
- Drinking coffee before going shopping can lead to impulse buying and overspending. The caffeine in coffee can make people more impulsive and less able to control their spending.
- Researchers found that people who drank coffee before going to the store tended to buy more items and spend more money compared to those who didn't drink coffee.
- It's recommended to avoid drinking coffee before going shopping to help control spending and make more thoughtful purchasing decisions.