I bring my dog to work once a week. To keep him entertained if he get's a bit fed up I put some of his peanut butter on a licky mat for him. Went to the jar today and I swear it has gone down since last time - colleague says they haven't touched it, sure the dog hasn't helped himself so that just leaves the boss. Would I be unreasonable to bring him a ham bone and tell him he's a good boy? Seriously though.... I don't want to embarrass him by just asking outright, so I've drawn a tiny mark on the jar to monitor the situation. Would I be unreasonable to just let him carry on??