“Are you sure about this?” Natalie asks as her two young children run past all of us, into our living room where they can play with our daughter, Stella. “I mean, our kids are great, but—” “But when Liv and Keaton are together, it’s a challenge,” Luke finishes for her, passing the baby bag full of essentials to me. “Oh, we’ve got this,” Jules, my gorgeous wife, replies with a certain nod. “We have a four year old, remember?” “You don’t have two of them,” Nat says. “Not