@Gnoster ICFZEbra asked about roleplaying multiple characters and Swen himself answered
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You don't have to be disappointed. You can play like what you describe. The only thing you can't do in the default setting is evolve the relationship but I imagine that we'll leave the option in to role-play that too, because we already have it and it's what we're using to play/test the game.
Also I think that you can just open a multiplayer game for yourself (even in splitscreen on pc if necessary and you manually drop out the "second" player)
Originally Posted by Lacrymas
I just didn't like the fact that AI companions won't act against us, ever. At least that's what I understood. They won't ever leave or attack us no matter how appalling or insulting we are to them.
If we reach Love&Hate via Paypal then Larian will probably include some sort of consequence into it. I think they meant that they do not implement an AI that solves quest in their own way.