Angry people more likely to overestimate their intelligence levels

If you suffer with a short temper – you're probably not as smart as you think you are, a new study has found. Angry people are more likely to overestimate their intelligence levels than those with a calmer disposition, scientists have found. That's because being angry is linked with high levels of narcissism, as well as a greater belief in their abilities and competence. Those with a short fuse were also more likely to have problems maintaining a stable relationship, according to the latest findings. This is because individuals with high levels of narcissism struggle to establish bonds with others as they are always trying to dominate them.