Disick, who is a father to three kids with Kardashian, said he is more focused on being a parent than being a husband, reported People magazine.
"If it's not broke don't fix it - we're happy the way it is... I don't even think we'll have time to get married at the rate that we're popping out kids," he said.
Disick is busy in counting the daily milestones that are happening in newborn son Reign's life.
"There's always so much in the beginning when they're that little. Every day is such a big milestone, but this is my third time so it's just kind of a charm.