User blog comment:ArtDraw12/TD Theories: Who May Return in Potential Future Seasons?/@comment-4742462-20161006213245/@comment-11883116-20161006220413

Like I said, Zoey hoping they'll be on same team next time could be a hint their friendship (and thus they too) will return, but it can be as well not be true due to other two hints against Gwen's return and her already being the fourth (or fifth) member of the Terrible Trio.

It's hard to explore contestants' home life on reality show. But it's still possible via confessionals, Aftermaths (not happening now), and cameos of their family members.