Mila Kunis leaves the door open when she uses the bathroom. The 39-year-old actress has Wyatt, seven, and Dimitri, five, with her husband Ashton Kutcher, and she’s revealed that they have a strict family policy of keeping all of the doors open at home. Speaking about their unusual house rule, Mila explained: “That includes the bathroom. It’s just one of those where, for better or for worse, as a family and the kids have all kind of embodied bodily function as a very standard norm.” Despite this, Mila admits it was never something she considered prior to becoming a mom. She told E! News: “I’d n…