The frequency of sex has declined in recent years, possibly due to an increase in social media, depression and porn alternatives.

Porn substitution may be one of the causes of decreased sexual frequency because it provides alternative modes of sexual behavior. For example, the latest life size sex dolls and some silicone love dolls, which provide more convenient sexual intercourse, do not require the consent of others and only require
An increase in rough sex may lead to a decrease in overall sexual behavior because people are influenced by patterns found in porn.

There is a complex relationship between sexual behavior and social concepts, and people's sexual behavior patterns and attitudes are constantly changing.
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