There is no law against discussing such things, just in displaying pornographic images of minors. What Rob_E decides is acceptable in addition to that law is up to him. Each state has individual laws about what the AOC is and these range from 14 to 18. It also sounds like, and forgive if I'm wrong, Spike is very close in age.

And yeah Spike, he's definitely interested in you. Make that your favorite ride at the fair!