Yes.
No.
That depends if they had sex or not.
There are no laws about dating. There are laws about sexual contact. The age of consent in Florida is 17. so if he raped her yes he have to go to jail.
Yes.
7 years
Nope not at all, both underage
Hopefully. He or she is a neophyte at the dating game, stupid or an amateur pedophile.
They are not going to go to jail for dating someone. If they had sexual contact, there might be an issue, but it is very unlikely.
Yes he can
Yes. I am almost 100% sure.
er - no! They are the same age and over the age of consent!