He smiles as he sees her sit down on her feet and just tosses a smile thinking that she is being a good slave. He just says "come on we have a few people that needs to be talked with." So he tugs her collar not giving her a chance to rest or catch her breath. He had a few people and was going to tease her and make her suffer by watching him drink and eat and put a plate just out of reach and everytime she got to close to it he would give her a zap till she should him a sigh on hearing and taking his words seriously.