By Vareen Ismail At the age of 16, Payzee Mahmod should have been like other teenagers in London: studying for her exams, and deciding if she wanted to go on to university. Instead, her conservative, Kurdish Muslim family married her off to a man who was “so old he was losing his hair”. On the wedding night, she was trapped in a hotel room with her husband, a stranger nearly twice her age who started to make violent sexual advances. She locked herself in the bathroom, called her…