Josh loves his son, but that hasn't made it any easier for Josh to watch his son grow up preferring red lightsabers and always choosing to be a Stormtrooper or Sith Lord over a Jedi. Could the boy be Kylo to Josh's Han? It is a fear that has kept Josh up at night.
Perhaps though watching "The Force Awakens" has stopped the young lad's trip down the Dark Path. Perhaps it no longer dominates his destiny.