A- It reveals that Framton is a high-strung person who does not enjoy socializing.
" ....Privately he doubted more than ever whether these formal visits on a succession of total strangers would do much towards helping the nerve cure which he was supposed to be undergoing." This is what the writer wrote before the flashback. Framton was undergoing a nervous breakdown and needed to get bettet . Yet, his sister gave information about Framton. He did not like talking to people. He would continue complaining about his health - moping- . Framton seemed to be a hypochondriac. As a consequence, he became the perfect target for Vera's joke.