someone who is a good friend? it is a new twist on the modern family as more and more friends raise kids together. you have to see this. this is a report from poppy harlow. why don t we just do it? reporter: friends with kids. it is not just the stuff of hollywood movies. you want to have a kid. share all the responsibility and just skip over the whole marriage thing. look what i have? your new cup. reporter: call it the modern modern family. you say you broke all the rules. we did. bye-bye. reporter: dave and evelyn were co-workers before co-parents. you were her superior. i was. but we weren t we weren t messing around. so we weren t breaking every rule. reporter: heidi and david, friends for 20 years, joked in college if neither had a child by 36, they would have one together. i wanted a partner in
parenting. so i circled back to david and i said, i m ready. all sims are go on my side. and i would like to do this with you. reporter: they re parenting partners, not romantically involved, not married, but sharing the huge task of parenting. do you ever feel judged? absolutely. we heard a lot of comments, positive and negative, with respect to what we have done here. reporter: heidi and david do it living apart. do you ever worry this may confuse nate when he s trying to figure out for himself what a loving relationship is? that a boy. david and i have a loving relationship. we don t have a romantic relationship but we have a loving relationship. just because he wasn t conceived as a result of a romantic interlude doesn t mean we ll be less as parents. it doesn t mean we love him any less. reporter: evelyn and dave do it living together. i do think it is a little easier for a single woman to become a mother and not be looked down on. and i found it different.