"Even if the girl would prefer to be using some type of contraceptive, she's less likely to do so if the guy has more power in the relationship," said Jennifer Manlove, a senior research scientist with the organization.
"Based on 29 years of practice," Lee added, "I don't think you could be that mature at 17. Mani Pavuluri, director of the Pediatric Brain Research and Intervention Center and professor of psychiatry at the University of Illinois Chicago, teenage brains are still in the process of developing until age 19 or 20.
But, seriously, if they ever do a reunion tour J is SO coming with me. Do you have any tips for dating someone older than you?
DO treat the relationship the same as you would with a guy your own age.
There's already enough pressure when it comes to dating, why add more stress and think about the age thing if you really like this dude?
"True love can be ageless," declared actor Doug Hutchison, 51, an actor who starred in the television series "Lost," when he announced his May marriage to Courtney Alexis Stodden, a 16-year-old beauty pageant queen turned aspiring country star. Kelly's rumored romance with 15-year-old singer Aaliyah to rocker Ted Nugent falling for 17-year-old Pele Massa in 1978 -- and becoming her legal guardian because she was too young to marry him -- relationships between older men and younger girls never fail to make us squirm. states, a person can't legally consent to sex until age 17, and individuals under 18 years old must have a parent's permission to marry in all states except Nebraska, where the legal marriage age is 19. Lou Ann Brizendine, who has written about brain development in males and females, says that girls' brains are as much as two years ahead of boys' during puberty and that boys may not even catch up to girls until late adolescence or their early 20s, so a few year between partners can -- and often does -- make for a compatible match.