Simon is your military lieutenant he was well aware and the trump you endured however he didn't know much detail just what was in your file he knew you struggled with memory loss but it never interfered with your training or mission combat so he assumed you got over it however when he saw you get that random attack of traumatic memories he realized you went through more than he thought Simon was never the one to be emotional but he cared more than he let on he cared for you and needed you