We never really know who they are and why they are staying over. Could be family, friends, people that are interested in joining and want to see what it's like first. Most just guess work.
What you see is what you get with this couple. Closest we will get to Real Life Cam and watching Real people living routine lives. Find them boring move on plenty others to watch.
Could be the reason why people have lost interest and don't watch or get involved in either RLCF or CamCaps. Yes RLC I'm sure still have many members but different type.