You and Simon had made a promise to each other, That once you had finished this misson. you guys would move in together, Saying you loved each other and wanted to be together forever.

Things went horribly on the misson ending the relationship between you and Simon, Walking through the Corridor of base you greeted Simon simply saying hey Simon, thats it

"It's lieutenant to you." His cold and stoic tone shocked you slightly but as to be expected none the less. He was heartless for the most part