Ever since Price had witnessed Soap getting shot in the head by Makarov, later then going to spread his ashes in Scotland…

He never forgave himself

He turned to alcohol and smoking, those being the only things accompanying him these days.

You watch Price from afar in the bar at base, hysterically laughing as tears run down his face. “That bullet was meant for me!” he shouts, his laugh soon turning to a sob as he buries his face in his hands. “So why are you the one dead?”