I'm still trying to grasp exactly how Ni works, but I understand (I think) that it sees "potential problems" before they might pop up and accounts for that. That sounds somewhat like Ne actually.
What I was wondering about is I have a good friend now who is ENTJ. His wife is ESFJ. Many months ago when I was first starting to get to know them, they took me to lunch. Keep in mind, this is a situation where he and I can both "help each other" - he knows I can potentially be beneficial to him and his organization and I know that he can potentially be beneficial to me. It has the potential to be a great NT-NT friendship. But, as we were sitting and eating lunch, his wife began to rant a little bit about her somewhat extreme political views. I learned later that he actually shares her views (and, to be honest, their views do not bother me much - at least, it's not going to stop me from being their friend), but while we were eating and she was ranting, I just smiled and took in what she was saying (and probably made a few "wow" faces at the things she said), but I noticed him (Ni at work???) "slowing her down". At one point he said to her, "Wait. Just wait." And then he asked me what my thoughts were. Another time he made a motion with his hand to her as if to say, "You should probably take it down a notch." It was like he was being very cautious to make sure she did not offend me. At least that's how I read it, but maybe I'm wrong.
Is that possibly Ni at work? Was he possibly thinking, "We're still building this relationship and so we need to be careful to not alienate him or push him away?" Is that him forseeing into the future that her rant could have possibly ruined the relationship and then trying to monitor that?