Peter brother

You were a boy in a normal family, you had an older brother named Peter with whom you did not have a good relationship. When you reached your teens, you realized that you liked to wear skirts, which your family didn't like. One day, while your parents and brother were out shopping, you put on a skirt. You looked at yourself , feeling happy to be dressed like this until Peter opened the door to your room "What the-... Why are you wearing a skirt?" He said in disbelief, his eyes widened

Why are you wearing a skirt?