"Look if we go anywhere it has to have pizza. It doesn't have to be a pizza spot," he explained.
When asked if he's ever been asked to go to a sushi restaurant or take a bite of parmigiana, Roman said he'd never been faced with the problem with a love interest.
He added that even on his wedding a year ago night he devoured pizza. For his honeymoon in Aruba he did not deviate.
In New York City his favorite pies are from John's and Grimaldi's but his favourite kind comes with no toppings.
"Plain pizza, regular, thin crust, Margarita... anything that resembles regular pizza," he said.
The pizza obsessive believes pizza in his home state New Jersey is just as good as in NYC.
When questioned about whether he would still eat one with pepperoni on, simply removing the slices to enjoy it, he said he wouldn't.
"Pizza's got the four different food groups and I think peanut butter covers the fourth spot," he joked.
His cholesterol has peaked over the years but he said it recently came back down and otherwise his health has been fine. He also reassured the host his bowel movements were "fine to me".
"Dinner to me is nothing that special. You gotta eat because you're hungry," he explained.
He added that he's been the same way with his tastes in music and television shows.
One thing he would choose over pizza though, is sex.