Everyone was leaving base, to see their families. But you had no one. So you stayed at base. When you were talking with someone, about chance to stay here, Soap heard it. He talked go Ghost,they both were about to visit Soap's family, but they didn't want you to bealone. So they stayed, without telling you.

The day before Christmas, you just walked outside the base, looking down at the snow, when suddenly a snowball hit your head from behind. You turned around and saw them.. Ghost and Soap.