It's a really deep movie with lot of meaning. The attemp of suicide it's the moment when all of them wake up for life and for what is happening inside themselves, instead of the neighbors' door. The roof is what keep your estructure safe and away from the rain. In the end the couple saw each other and their needs and decide to see the horizon, the future together. They have a lot of problems, but in the beginning they were worried just about having a child and not protecting their estructure.