Full title: In 1989, this family was featured in Guinness World Records as the most living generations ever in a family: Augusta Bunge(109),daughter(89),granddaughter(70),great-granddaughter(52),great-great granddaughter(33),great-great-great-granddaughter(15) and great-great-great-great-grandson(1 month).
Perhaps you should check again. Many states do have “Romeo and Juliet” laws, but not most. Not even half.
https://en.wikipedia.org/wiki/Age_of_consent_in_the_United_States
If you’re under the age of consent, then consent cannot be granted, even if both parties claim to be willing. Of course, most states will not enforce this under most circumstances where it’s just a couple kids fooling around, but it is still illegal.