Actually, there are many people in different country even in different area who like wearing black frame glasses. In my opinion, because this kind of frame can make people look nice .for example, since everyone has different skin color, the black frame can match the skin. Besides, as we know that black can make people feel cool, even sexy, and steady. For some young people who like the fashion, it will make them look more fashionable than other people. I can say that the famous stars that are always wearing black frame glasses have great influence on many people. But, you should also know that it's impossible for anyone to be suitable for the black frame glasses. It depends on your face shape and the skin which are very important to be considered.