Changes in Penile-Vaginal Intercourse Frequency and Sexual Repertoire from 2009 to 2018: Findings from the National Survey of Sexual Health and Behavior - Archives of Sexual Behavior
Solo and partnered sexual behaviors are relevant to health, well-being, and relationships. Recent research shows that sexual frequency has declined in the U.S. and in other countries; however, measurement has been imprecise. We used data from 14- to 49-year-old participants in the 2009 and 2018...
Hard to believe that solo masturbation collapse. Honestly, I can't believe that it is true. Almost all boys masturbate if they physically are able to. Girls much less so, they are much, much less horny.
