[to Ernest's rescue, like a tactful hostess]
A cup of tea, Doctor Hamilton?
Ernest
[unperturbed by the reference to Helen]
Thanks.
John
[while Lucy makes tea. Trustee manner]
I have often desired to express my admiration of your heroism in the war against yellow fever in er—ah—Cuba, when you let an innocent-looking mosquito bite you——
Lucy
[nodding and poising sugar-tongs]