Cornell University research found that people who kept cereal and snacks on their kitchen counters weighed over 20 pounds more than those who stored them in cupboards. Having fruit out on display was linked to weighing 13 pounds less. The study shows that keeping unhealthy snacks easily visible and accessible leads to mindless overeating, while visible healthy foods encourage consumption. Relationship research also found that when one spouse gains weight, the other is more likely to gain as well, so maintaining a healthy lifestyle together can help both partners stay slim.