. >> reporter: actor nico tortorella and bethany c. meyers a uniquely modern couple. >> my wife, my husband my best friend my partner my everything. >> reporter: both are gender fluid. their marriage: polyamourous, redefining what it means to be husband and wife. >> i mean in layman's terms it's not man, not woman. all man, all woman. >> reporter: it's all laid out in nico's new book "space between" a place, they say, where people who don't consider themselves "he" or "she" can call their own. >> and tell me the pronouns that you use? >> they them pronouns. >> and i may screw it up if i mess it up along the way. >> it's still a work in progress for everyone. i still mess up sometimes, too. >> what's the point of pronouns? >> for me they, them fully encompasses all it that exists in my own multi-dimensional dynamic being. right at it, it just feels more inclusive. it feels wider. >> reporter: nico also revealing their painful struggles with coming out and facing their dark battle with alcohol. >> when i started having access to the party, to t