It is all very well, in these changing times, to adapt one's work to take in duties not traditionally within one's realm; but bantering is of another dimension altogether. For one thing, how would one know for sure that at any given moment a response of the bantering sort is truly what is expected? One need hardly dwell on the catastrophic possibility of uttering a bantering remark only to discover it wholly inappropriate.
Kazuo Ishiguro (2010). “The Remains of the Day”, p.16, Vintage