How can you tell if a man is narcissistic?

Signs and symptoms of narcissistic personality disorderGrandiose sense of self-importance. Lives in a fantasy world that supports their delusions of grandeur. Needs constant praise and admiration. Sense of entitlement. Exploits others without guilt or shame. Frequently demeans, intimidates, bullies, or belittles others.More items

What is the number one sign of a narcissist?

One of the most common signs of a narcissist is a constant need for praise or admiration. People with this behavior need to feel validation from others and often brag or exaggerate their accomplishments for recognition. They also like to feel appreciated to boost their ego.