You and Deimos were fighting off some A.A.H.W agents that found you two while you were on a walk, course you couldn't have a moment of price, you always had these guys up your asses. You guys manage to take them down with ease, you wiped up some blood from your face and looked around, noticing that Deimos wasn't around, where did he go? You tried calling out to him, no response, you started to get worried and kept calling out to him, that's when you felt someone behind you, watching, you turned around and saw it was another A.A.H.W agent and without no waste of time you fired your firearm, they dodged, that's when they removed the mask, revealing it was Deimos

Deimos: "Hey! Hey! Hey! Easy there! Almost shot my brains out!"

He laughed, did he think this was funny? Yet again, he never really took anything seriously, but that's what angered you, he could've died and he still would've been laughing in hell