Edited sentence: "  As "teenagers are not mature enough to know all the ramifications of what they're doing," "early sexual activity - whether in or out of a romantic relationship - does far more harm than good."  It "almost always unilateral[ly]" boys who receive oral sex, and the girls who give it."  When having causal sex teens are "pretending to say it's just sexual and nothing else." This is the "heterosexual script that entitles boys and disables girls" and has "absolutely" put "girls at a disadvantage."Teens - and preteens - [are] too young to fathom the consequences, both physical and emotional, of their [sexual] behavior.'  When teens engage in sexual activities that are not part of intimate relationship then "they're not then developing all of the really important skills like trust and communication and all those things that are the key ingredients for a healthy, long-lasting relationship.Deborah Tolman, director of the Center for Research on Gender and Sexuality and a Professor of Human Sexuality Studies at San Francisco State University, explains that we are sexual beings and should be educated about the nuances of our sexual feelings, choices and behaviors.It's mechanical, dehumanizing.It's not healthy.Levine believes that since humans are sexual beings that even the smallest children will most likely end up taking part in sex rehearsal play with other children out of their own explorations and that it causes no harm.That's an arbitrary slicing up of the intimacy pie.The "early initiation [of] sexual behaviors [takes] a toll on teens' mental health.The "impersonality of twenty-first-century adolescent sex victimizes girls" and "plenty of harm" is done to boys as well.The fallout is that later in life they have trouble forming relationships.The result... can be 'dependency on boyfriends and girlfriends, serious depression around breakups and cheating, [and a] lack of goals.The youth rights movement, including author Judith Levine, believes that sexual activity among adolescents and even children is natural and causes little to no harm if contraception is used.They're jaded.When girls provide oral sex "they do so without pleasure, usually to please their boyfriend or to avoid the possibility of pregnancy.When taking part in hookups "the kids don't even look at each other