I dont need to say anything unless there is some kinda evidence i.e. child.
Well u have to tell him...u see the guy is a good man and never committed zina but u on other hand you are not...he was expecting u to be the same as him but u keep it a secret basically u lying to him imagine if he finds out u being saaqid in the past and zina all of that... he will divorce on you on the spot and u will only bring damage to his reputation u know the somalis gossip!!!