The film that Georgia is watching in her room is "Witness for the Prosecution", a film adaptation of Agatha Christie's novel. Vanessa Redgrave, who plays Georgia, is in another Christie adaptation, "Murder on the Orient Express" and plays Christie herself in "Agatha". The film was generally well received by critics. , the film holds a 64% approval rating on Rotten Tomatoes, based on 25 with an average rating of 5.86 out of 10. The website's critics consensus reads: "Though it relies on a cliched storyline and stock characters, "How About You" gets winning performances from Vanessa Redgrave and Imelda Staunton." "Leonard Maltin's Movie Guide" (2013 edition) gave "How About You" 2 stars (out of 4), opining that "[W]hat might have been an appealing tale of intergenerational bonding is ill conceived and often downright silly. Livens up in Atwell's all-too-brief scenes with elderly, dying O'Hara". "Videohound's Golden Movie Retriever" (2011 edition) rated it slightly better, at 2½ bones (out of possible four), describing it as "[L]ess twee than might be indicated (probably because the cast is terrific)".