Not what I was expecting when I tried to track down a LED patent.
From Nano Patents and Innovations:
People who are neurotic often have more difficulty with relationships and marriage. But if neurotic newlyweds have frequent sexual relations, their marital satisfaction is every bit as high as their less neurotic counterparts, according to a study in the current Social Psychological and Personality Science (published by SAGE).
Neuroticism is the tendency to experience negative emotion, and people who are high in it get upset and irritated easily, change their mood often, and worry frequently. People who score high in neuroticism are less satisfied in romance and relationships, and when they get married they are more likely to divorce. "High levels of neuroticism are more strongly associated with bad marital outcomes than any other personality factor," said Michelle Russell and James McNulty of the University of Tennessee, authors of the study.
But sex in marriage seems to make people happy...MORE