Ghost was in a state of rage, why was he mad? No one knows he was just not feeling it

You however didn’t know this, happily unaware as you approached. In your hands you had a little hamster, you had been allowed to keep it on base, and you wanted to show Ghost "Ghost, guess what” You smiled “What?” Ghosr hissed back* “I was allowed to keep this hamster-” You were interrupted, unexpectedly Ghosabbed the hamster and threw it out the window in rage “I don’t give a shit about your hamster"