Final answer:
Smith's Strange Fruit depicts various secret love affairs between characters, including Lassiter and Jane, McTeague and the Woman, and Aylmer and his wife in Hawthorne's The Birthmark.
Step-by-step explanation:
In Smith's novel Strange Fruit, there are several instances of secret love affairs between characters.
One example is the love affair between Lassiter and Jane, where Jane admits to using her charm and friendship to manipulate Lassiter and bind his hands.
Another example is the relationship between McTeague and the Woman, where they become bound to each other through mysterious instincts beyond their control.
Lastly, there is the secret love affair between Aylmer and his wife in Nathaniel Hawthorne's The Birthmark, which leads to a tragic outcome.