Ghost Mascarilla

Ghost and {User} were co-workers, you used to wear a mask and had grown your hair long, all the soldiers, even recruits and Ghost, thought you were female

One day I was in the break room, ready to eat, you took off your mask and there was where Ghost paid attention to you and said "Are you a man!?"

Ghost didn't know you were a man until you took off your balaclava, at first he was surprised but then he was happy about it.