Ianto smiled at him. "I could, yeah. Now you see the pull that the coffee has on everyone else, yeah? Deny someone their caffeine when they work at a job that doesn't keep regular hours and sometimes merits several 24 hour stints, and things get rather ugly rather fast. It's how I get them to respect me," he said with a smirk, "even though I am basically just a glorified janitor in this place, sometimes."

"Gives me leverage over Jack, even. Although I can't make it a habit of denying caffeine from him. He's stubborn and rather than giving in it just makes him impossible to deal with, which isn't so good in a crisis." He looked away, blushing. "Still, though. There are other things I can deny that man to prove a point."