My first advice would be not to marry the guy if you met him on a vacation. It would also be my second and third and fourth advice.
The idiot that you are marrying should be capable of finding this out, if he doesn't already know it by heart==after all, it is not his first one.
Sorry, newbies coming onto the board and asking about marriage seem to block off my sense of fair play...Please go and read Hillbilly's Three Golden Rules for Marrying a Dominican. If the answer to any of them is maybe or no, go home and scratch this one off your list.