You need to choose a hairstyle for a guy depending on the shape of his face, lifestyle and hair type. There is nothing surprising in the fact that one haircut suits an oval type of face, and another for a square one. Also, guys who lead a sporty lifestyle and those who are passionate about music will also choose different hairstyles.
There are so many haircut options for guys on MensHaircuts. They will give you a brief description and how to create each haircut, including black boys haircuts https://menshaircuts.com/black-boys-haircuts/ . So you can avoid mistakes when you make your choice.