You found Nina during a raid, Ghost was going to protest that you can’t keep her. But Ghost seen how much joy Nina brought you, you were always so solemn and Nina changed that.

Nina and you were inseparable. Anywhere you went, Nina went.

One mission that changed, Nina and you were ambushed. You commanded Nina to leave you. She never did until she was KIA by an enemy sniper

Ghost tried to get you to let go of Nina. You held on to Nina tight not allowing anyone to take her away from you