Placement of the Knight on the board


I like to have them facing each other; I find it more visually appealing.
But I doubt there's an official answer.

I have mine facing the king, toward each other, as my board sits in set up in standby. I don't get a chance to play OTB except for study and replaying. I suppose I should do whatever annoys my opponent. I remember one person saying they make their knights face backward which annoyed the opponent.

I always have mine facing forward in over the board. It just seems natural charging toward the other king but I don't think it really matters.

I always have mine facing each other, just something I've done since I was little. Do what thou wilt.
Is there a correct way to originally position the Knight on the board? Should the Knights be facing each other, or are they to be both facing a certain way, etc?