You will have to reach out for someone to fill this role. Find yourself an emotional safety net. You are not only concerned about the one you love, but you may also be concerned about the children in the family. Often, people think they can protect their children from hurt by hiding what is going on. However, the opposite is true.
Children instinctively know that something is wrong in the family unit.
What they imagine may be far worse than reality. For some, this may take several days. The children need to be told by a parent, or a family member. Most people are concerned about how their children will respond. Usually, they respond the way they see you responding.