In response to the first part; well, I suppose all things considering, yes. But think about it; if you were in a world where there was nothing to think about, then what
would you think about? You couldn't think about the universe; the only universe you know is a single room. You couldn't think about your surroundings or time or anything, because you'd have no concept of it; in a white room where nothing changes, then how would you even know things COULD change? There could be an internal restlessness, but you wouldn't be able to expand it; there would literally be nothing.
Where did you find that information on that gene? I'd like to check that out
IDK123: Your moving around a lot might actually have a lot to do with how your personality developed. Children, even when they are very young, are very in-tune to their environment, more so than I think some people give them credit.
If you were moving around a lot, you might have started to notice the patterns of moving and subtleties that allowed you to predict when it might happen again. That might helped the development of your N. And with your F, it might have happened that they did not, either because of time constraints or inconsistancy, exercise a preference towards "rational" thinking, or, being a young child, you may have developed more F because of a need for affection that you may have wanted but may not have been getting...