Helen has provided great great answers. [Great twice is not a typo :-]
Lot's wife: The entire story of Prophet Lot excludes female homosexuality. She decided to stay back probably because the preponderance of evil had dazzled her into taking the men's behavior as the norm.
"Prevalence of evil blinds people to virtue."
-Philosopher Shabbir Ahmed :-)
Some lesser and erring, philosopher wrongly said:
"While in Rome, do as the Romans do." [The Permanent Moral Values go down the drain.]