Your friends know you. Think of the hijab as another great thing that is added to yourself. You could wear different ones of your choice everyday, decorate them with sewing needles and equipment, and wear them that expresses you from the inside. What's in the inside counts, and if your friends cannot except you because of something that is mandatory of religion, and judges you by the way you look, find someone or a group that is better, that doesn't care about how you look, but how you feel.