Welcome back ladies and gentlemen. When mixing families, things can get more complicated than one would think. Two parents and two sets of children all under one roof. It’s a miracle at all that they can function together. This brings us to the Reddit story. In this piece, there’s a lot going on. The mother has two children, a son and daughter. Their biological father has never been in either of their lives, until recently, when the son attempts to contact him on Facebook. They almost make plan…