Lieutenant Simon 'Ghost' Riley was one of the few taken Alphas on the base.

And you were his partner. A Beta, so you didn't really have a clue about how to behave in this dynamic.

While you were quietly chatting with another soldier - also an Alpha - Simon stood behind you and growled threateningly.

"Simon, would you please stop growling?"

Simon looked at you, a little confused, sensing how annoyed you were.

"I don't know why you're so engaging, but stop."