My initial question: Is the, in my opinion, urgent conversation between Emily and MC taking place?
His first attempt, the next morning in the kitchen, was, how should I put it, a flop. Well, he basically shit his pants and was thankful to God that Erynn, once again, just showed up.
His second attempt, Sunday in Melissa's garden, wasn't really an attempt at all. He immediately postponed the conversation until tomorrow, Monday (in-game content of EP 14).
Since the end of EP 12 and the beginning of EP 13, he believes he knows who his father is. Unless you're on Layla's and/or Alexis's path (don't forget the ASP), where he receives confirmation from Adrianna and Enzo, the MC doesn't know with 100% certainty.
Some of you already know how I feel about the MC, so I'll spare you my thoughts on it, especially since NYX continues to fuel this image. So I don't think this conversation will happen in EP 14 either. The answer is basically NYX itself.