MTV News to chat about and their relationship off -screen, and revealed they agreed to get married if they were both single at age 40. (Is your BFF even your BFF if you haven’t ever made one of these?)“We said if we’re not married by 40, we’ll get married together because we’d be good roomies,” Millie said in the video interview, to which Noah immediately agrees. Though MBB specified it would be a “complete platonic” marriage, the agreement does come with a non-negotiable clause: no kids.“I could not deal with a child of yours,” MBB shared, pointing to her co-star.