No, But can't have s-e-x as that counts as pedophilia from the girl as he is under 18 and she is over 18 but the police would do nothing about it anyways as it's just 1 year over and only 3 years difference...
No.
it isn't illegal to date, but it is illegal to have sexual intercourse.
no
Dating is not illegal; sex is illegal.
There are no laws about dating.
No, it is only illegal when you are over 18, its not illegal to date anyone younger or either older than you
it isn't but it should be illegal
Its not illegal to date but you cannot have sex. It would be classed as rape on the 20year old boy.
yes it is yes it is
As long as the minor
It isn't technically illegal. If you want to do things, you need to get your parents approval.
Dating is NOT illegal. Having sex is, so watch out