According to the Hanafi school of law, it is **fard** to get married when one is sure he will commit zina if he doesn't. It is **wajib** to get married if there is a possiblity that one might commit zina. 

Source (Hanafi Website): http://m.sorularlaislamiyet.com/index.php?oku=184883

Your parents cannot prevent you from negleting your Islamic obligations.