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.

In recent years, adolescent sexual behavior patterns have changed significantly, with more premarital sex and less postmarital sex.
Social trust is the glue that keeps society healthy, but modern people increasingly do activities alone, resulting in shrinking social circles.
Less sexual activity may have some positive effects, such as lower teen pregnancy rates and lower overall fertility rates. Many teenagers use sex dolls to explore sexual behaviors.
Sex has physical and relationship benefits, but social isolation can lead to loneliness and health problems.

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