Join the Freestar Collective guild and use their mission board to do the repeatable Hostage Rescue missions, it guarantees a "xyz liked that" for rescuing the hostage every time. Good place to farm affinity to progress any partners personal quests / romance options.
Well, I guess this is what I have to do! ThanksTry doing Freestar Ranger rescue missions (board is inside the entrance to The Rock). Rescue hostages, build companion rep. If that doesn't work you might be bugged.