How to meet a girl for that?

Hello guys, I used to masturbate, but I really fed up, I'm not so attractive and therefore it is difficult to find a girl for . For a date, no problem I can find, but they don't want to have a until get married. So guys help me to find a girl who also have the same situation as mine. I'm around 20, study in london, and sometimes a bit shy. Any suggestions, no time wasters please?