i would like an annulment whats the next step on following through

The grounds for an annulments are as Bigamy, duress, Nonage  (meaning the person was underage), incapacity, iImpotence, incest and fraud.   In order to get an annulment, you must be able to meet one of those criteria.  There are forms available on the New Jersey Judiciary website that will walk you through filing for an annulment for yourself if you meet one of those criteria.