Before choosing a short haircut you have to do a research between the short hairstyles. The beauty of the short hairstyles is that you can accommodate the shape to enhance or distract certain traits. So you have to be very careful in your choice. Some short hairstyles can make a round face seems enormous. Be sure that the hairstyle fits your face.
For men, short hairstyles are nothing unusual since the majority of men in this planet sport this style. These hairstyles are popular for many reasons, such as religious principles (most Christian denominations require a man to have short hair so that his head is not covered when he prays) and one's profession (e.g. athlete, military personnel, or businessman).